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56653520400 = 24325239672
BaseRepresentation
bin110100110000110100…
…000001111000010000
312102020021121000202100
4310300310001320100
51412011300123100
642005401320400
74043632656261
oct646064017020
9172207530670
1056653520400
1122032487444
12ab91196100
13545b352c49
142a56258968
151718a6d400
hexd30d01e10

56653520400 has 135 divisors (see below), whose sum is σ = 196653025101. Its totient is φ = 15103797120.

The previous prime is 56653520393. The next prime is 56653520411. The reversal of 56653520400 is 402535665.

It is a happy number.

The square root of 56653520400 is 238020.

It is a perfect power (a square), and thus also a powerful number.

56653520400 is a `hidden beast` number, since 5 + 66 + 535 + 20 + 40 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20395267344 + 36258253056 = 142812^2 + 190416^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14279217 + ... + 14283183.

Almost surely, 256653520400 is an apocalyptic number.

56653520400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56653520400 is the 238020-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56653520400

56653520400 is an abundant number, since it is smaller than the sum of its proper divisors (139999504701).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56653520400 is an equidigital number, since it uses as much as digits as its factorization.

56653520400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Multiplying 56653520400 by its sum of digits (36), we get a square (2039526734400 = 14281202).

56653520400 divided by its sum of digits (36) gives a square (1573708900 = 396702).

The spelling of 56653520400 in words is "fifty-six billion, six hundred fifty-three million, five hundred twenty thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 3967 7934 11901 15868 19835 23802 31736 35703 39670 47604 59505 63472 71406 79340 95208 99175 119010 142812 158680 178515 190416 198350 238020 285624 297525 317360 357030 396700 476040 571248 595050 714060 793400 892575 952080 1190100 1428120 1586800 1785150 2380200 2856240 3570300 4760400 7140600 14281200 15737089 31474178 47211267 62948356 78685445 94422534 125896712 141633801 157370890 188845068 236056335 251793424 283267602 314741780 377690136 393427225 472112670 566535204 629483560 708169005 755380272 786854450 944225340 1133070408 1180281675 1258967120 1416338010 1573708900 1888450680 2266140816 2360563350 2832676020 3147417800 3540845025 3776901360 4721126700 5665352040 6294835600 7081690050 9442253400 11330704080 14163380100 18884506800 28326760200 56653520400