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53315120000 = 2754666439
BaseRepresentation
bin110001101001110101…
…000010101110000000
312002121121210201100002
4301221311002232000
51333142132320000
640254224015132
73565125020432
oct615165025600
9162547721302
1053315120000
1120679aa484a
12a3bb1614a8
1350488171ac
14281ab24652
1515c09328d5
hexc69d42b80

53315120000 has 80 divisors (see below), whose sum is σ = 132724858200. Its totient is φ = 21326016000.

The previous prime is 53315119999. The next prime is 53315120017. The reversal of 53315120000 is 2151335.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×533151200002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 253220 + ... + 413219.

Almost surely, 253315120000 is an apocalyptic number.

53315120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53315120000 is an abundant number, since it is smaller than the sum of its proper divisors (79409738200).

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

53315120000 is an frugal number, since it uses more digits than its factorization.

53315120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666473 (or 666446 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 53315120000 its reverse (2151335), we get a palindrome (53317271335).

The spelling of 53315120000 in words is "fifty-three billion, three hundred fifteen million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1600 2000 2500 3200 4000 5000 8000 10000 16000 20000 40000 80000 666439 1332878 2665756 3332195 5331512 6664390 10663024 13328780 16660975 21326048 26657560 33321950 42652096 53315120 66643900 83304875 85304192 106630240 133287800 166609750 213260480 266575600 333219500 416524375 426520960 533151200 666439000 833048750 1066302400 1332878000 1666097500 2132604800 2665756000 3332195000 5331512000 6664390000 10663024000 13328780000 26657560000 53315120000