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51334115290 = 256318135359
BaseRepresentation
bin101111110011110000…
…000110111111011010
311220111120012020202021
4233303300012333122
51320113013142130
635325500125054
73465051531463
oct576360067732
9156446166667
1051334115290
111a852851677
129b4783678a
134ac1290b63
1426ad9b1d6a
151506a7337a
hexbf3c06fda

51334115290 has 16 divisors (see below), whose sum is σ = 92547855360. Its totient is φ = 20501102160.

The previous prime is 51334115281. The next prime is 51334115323. The reversal of 51334115290 is 9251143315.

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, 4061370 + ... + 4073989.

It is an arithmetic number, because the mean of its divisors is an integer number (5784240960).

Almost surely, 251334115290 is an apocalyptic number.

51334115290 is a deficient number, since it is larger than the sum of its proper divisors (41213740070).

51334115290 is a wasteful number, since it uses less digits than its factorization.

51334115290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8135997.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 51334115290 in words is "fifty-one billion, three hundred thirty-four million, one hundred fifteen thousand, two hundred ninety".

Divisors: 1 2 5 10 631 1262 3155 6310 8135359 16270718 40676795 81353590 5133411529 10266823058 25667057645 51334115290