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53216895256 = 2371971704449
BaseRepresentation
bin110001100011111110…
…010110000100011000
312002100202222101022121
4301203332112010120
51332442011122011
640240354431024
73562523101060
oct614376260430
9162322871277
1053216895256
1120629606078
12a392292474
135031375745
14280ba763a0
1515b6ecde71
hexc63f96118

53216895256 has 64 divisors (see below), whose sum is σ = 121728960000. Its totient is φ = 21302507520.

The previous prime is 53216895247. The next prime is 53216895257. The reversal of 53216895256 is 65259861235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53216895257) by changing a digit.

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, 276681 + ... + 427768.

It is an arithmetic number, because the mean of its divisors is an integer number (1902015000).

Almost surely, 253216895256 is an apocalyptic number.

53216895256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53216895256 is an abundant number, since it is smaller than the sum of its proper divisors (68512064744).

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

53216895256 is a wasteful number, since it uses less digits than its factorization.

53216895256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704552 (or 704548 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 52.

The spelling of 53216895256 in words is "fifty-three billion, two hundred sixteen million, eight hundred ninety-five thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 71 76 133 142 152 266 284 497 532 568 994 1064 1349 1988 2698 3976 5396 9443 10792 18886 37772 75544 704449 1408898 2817796 4931143 5635592 9862286 13384531 19724572 26769062 39449144 50015879 53538124 93691717 100031758 107076248 187383434 200063516 350111153 374766868 400127032 700222306 749533736 950301701 1400444612 1900603402 2800889224 3801206804 6652111907 7602413608 13304223814 26608447628 53216895256