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56224216160 = 2557383131071
BaseRepresentation
bin110100010111001110…
…010111010001100000
312101010100210010001022
4310113032113101200
51410121344404120
641455024025012
74030200644360
oct642716272140
9171110703038
1056224216160
1121932116852
12aa91462168
1353c0421278
142a152269a0
1516e101c025
hexd17397460

56224216160 has 96 divisors (see below), whose sum is σ = 152202903552. Its totient is φ = 19226396160.

The previous prime is 56224216157. The next prime is 56224216201. The reversal of 56224216160 is 6161242265.

It is a super-2 number, since 2×562242161602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 56224216160.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363425 + ... + 494495.

It is an arithmetic number, because the mean of its divisors is an integer number (1585446912).

Almost surely, 256224216160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56224216160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76101451776).

56224216160 is an abundant number, since it is smaller than the sum of its proper divisors (95978687392).

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

56224216160 is a wasteful number, since it uses less digits than its factorization.

56224216160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131476 (or 131468 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 56224216160 in words is "fifty-six billion, two hundred twenty-four million, two hundred sixteen thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 383 560 766 1120 1532 1915 2681 3064 3830 5362 6128 7660 10724 12256 13405 15320 21448 26810 30640 42896 53620 61280 85792 107240 131071 214480 262142 428960 524284 655355 917497 1048568 1310710 1834994 2097136 2621420 3669988 4194272 4587485 5242840 7339976 9174970 10485680 14679952 18349940 20971360 29359904 36699880 50200193 73399760 100400386 146799520 200800772 251000965 351401351 401601544 502001930 702802702 803203088 1004003860 1405605404 1606406176 1757006755 2008007720 2811210808 3514013510 4016015440 5622421616 7028027020 8032030880 11244843232 14056054040 28112108080 56224216160