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251120000053 = 13173193739119
BaseRepresentation
bin1110100111011111101…
…0110001110000110101
3220000011222120202100201
43221313322301300311
513103243210000203
6311210221040501
724066662532016
oct3516772616065
9800158522321
10251120000053
119755476992a
12408036b6131
131a8b0123010
14c22347900d
1567eb300e1d
hex3a77eb1c35

251120000053 has 32 divisors (see below), whose sum is σ = 295904931840. Its totient is φ = 210899220480.

The previous prime is 251119999997. The next prime is 251120000083. The reversal of 251120000053 is 350000021152.

It is not a de Polignac number, because 251120000053 - 229 = 250583129141 is a prime.

It is a super-2 number, since 2×2511200000532 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251120000083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6399828 + ... + 6438946.

It is an arithmetic number, because the mean of its divisors is an integer number (9247029120).

Almost surely, 2251120000053 is an apocalyptic number.

It is an amenable number.

251120000053 is a deficient number, since it is larger than the sum of its proper divisors (44784931787).

251120000053 is a wasteful number, since it uses less digits than its factorization.

251120000053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40117.

The product of its (nonzero) digits is 300, while the sum is 19.

The spelling of 251120000053 in words is "two hundred fifty-one billion, one hundred twenty million, fifty-three", and thus it is an aban number.

Divisors: 1 13 17 31 221 403 527 937 6851 12181 15929 29047 39119 207077 377611 493799 508547 665023 1212689 6419387 8645299 15764957 20615713 36654503 268004269 476508539 623126551 1136289593 8100645163 14771764709 19316923081 251120000053