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51310607404 = 22731531115351
BaseRepresentation
bin101111110010010110…
…011011110000101100
311220102220221220222211
4233302112123300230
51320041003414104
635323300220204
73464344652410
oct576226336054
9156386856884
1051310607404
111a840555871
129b3b99a664
134ab944cb74
1426aa812d40
15150497ce04
hexbf259bc2c

51310607404 has 48 divisors (see below), whose sum is σ = 107930382336. Its totient is φ = 20879352000.

The previous prime is 51310607393. The next prime is 51310607417. The reversal of 51310607404 is 40470601315.

It is a super-3 number, since 3×513106074043 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511672 + ... + 603679.

It is an arithmetic number, because the mean of its divisors is an integer number (2248549632).

Almost surely, 251310607404 is an apocalyptic number.

It is an amenable number.

51310607404 is an abundant number, since it is smaller than the sum of its proper divisors (56619774932).

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

51310607404 is a wasteful number, since it uses less digits than its factorization.

51310607404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115446 (or 1115444 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 51310607404 in words is "fifty-one billion, three hundred ten million, six hundred seven thousand, four hundred four".

Divisors: 1 2 4 7 14 28 31 53 62 106 124 212 217 371 434 742 868 1484 1643 3286 6572 11501 23002 46004 1115351 2230702 4461404 7807457 15614914 31229828 34575881 59113603 69151762 118227206 138303524 236454412 242031167 413795221 484062334 827590442 968124668 1655180884 1832521693 3665043386 7330086772 12827651851 25655303702 51310607404