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53251351216 = 2473821124433
BaseRepresentation
bin110001100110000001…
…110010001010110000
312002110011210221000021
4301212001302022300
51333024321214331
640244025133224
73563422005550
oct614601621260
9162404727007
1053251351216
1120646aaa378
12a3a192a214
13503854a99b
142812485160
1515ba038211
hexc660722b0

53251351216 has 40 divisors (see below), whose sum is σ = 117945513504. Its totient is φ = 22815851520.

The previous prime is 53251351199. The next prime is 53251351253. The reversal of 53251351216 is 61215315235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365736 + ... + 490168.

Almost surely, 253251351216 is an apocalyptic number.

53251351216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53251351216 is an abundant number, since it is smaller than the sum of its proper divisors (64694162288).

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

53251351216 is a wasteful number, since it uses less digits than its factorization.

53251351216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128269 (or 128263 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The spelling of 53251351216 in words is "fifty-three billion, two hundred fifty-one million, three hundred fifty-one thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 3821 7642 15284 26747 30568 53494 61136 106988 124433 213976 248866 427952 497732 871031 995464 1742062 1990928 3484124 6968248 13936496 475458493 950916986 1901833972 3328209451 3803667944 6656418902 7607335888 13312837804 26625675608 53251351216