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51423556314 = 23131096048407
BaseRepresentation
bin101111111001000101…
…010011001011011010
311220201210111022202210
4233321011103023122
51320303412300224
635342413135550
73500216005464
oct577105231332
9156653438683
1051423556314
111a899290a79
129b7178a5b6
134b06978540
1426bb815134
15150e83e429
hexbf91532da

51423556314 has 32 divisors (see below), whose sum is σ = 111774579840. Its totient is φ = 15677468352.

The previous prime is 51423556313. The next prime is 51423556319. The reversal of 51423556314 is 41365532415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (51423556313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015702 + ... + 3032705.

It is an arithmetic number, because the mean of its divisors is an integer number (3492955620).

Almost surely, 251423556314 is an apocalyptic number.

51423556314 is an abundant number, since it is smaller than the sum of its proper divisors (60351023526).

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

51423556314 is a wasteful number, since it uses less digits than its factorization.

51423556314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048534.

The product of its digits is 216000, while the sum is 39.

The spelling of 51423556314 in words is "fifty-one billion, four hundred twenty-three million, five hundred fifty-six thousand, three hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 109 218 327 654 1417 2834 4251 8502 6048407 12096814 18145221 36290442 78629291 157258582 235887873 471775746 659276363 1318552726 1977829089 3955658178 8570592719 17141185438 25711778157 51423556314