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51346047476 = 2225749947517
BaseRepresentation
bin101111110100011101…
…101000000111110100
311220112101122110122002
4233310131220013310
51320124042004401
635331003554432
73465255126263
oct576435500764
9156471573562
1051346047476
111a859561489
129b4b82ba18
134ac38ab019
1426b13da5da
151507b2da6b
hexbf47681f4

51346047476 has 12 divisors (see below), whose sum is σ = 90205217508. Its totient is φ = 25573128192.

The previous prime is 51346047451. The next prime is 51346047517. The reversal of 51346047476 is 67474064315.

It can be written as a sum of positive squares in 2 ways, for example, as 50343691876 + 1002355600 = 224374^2 + 31660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51346047476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24972731 + ... + 24974786.

It is an arithmetic number, because the mean of its divisors is an integer number (7517101459).

Almost surely, 251346047476 is an apocalyptic number.

It is an amenable number.

51346047476 is a deficient number, since it is larger than the sum of its proper divisors (38859170032).

51346047476 is a wasteful number, since it uses less digits than its factorization.

51346047476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49947778 (or 49947776 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 51346047476 in words is "fifty-one billion, three hundred forty-six million, forty-seven thousand, four hundred seventy-six".

Divisors: 1 2 4 257 514 1028 49947517 99895034 199790068 12836511869 25673023738 51346047476