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51446083936 = 2513123668471
BaseRepresentation
bin101111111010011011…
…001111000101100000
311220210100212211212011
4233322123033011200
51320330144141221
635344540042304
73500611332622
oct577233170540
9156710784764
1051446083936
111a8aaa78345
129b79233394
134b0b5352b0
1426c07dac12
1515117de1e1
hexbfa6cf160

51446083936 has 24 divisors (see below), whose sum is σ = 109075592304. Its totient is φ = 23744346240.

The previous prime is 51446083921. The next prime is 51446083963. The reversal of 51446083936 is 63938064415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51446083936.

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, 61833820 + ... + 61834651.

It is an arithmetic number, because the mean of its divisors is an integer number (4544816346).

Almost surely, 251446083936 is an apocalyptic number.

It is an amenable number.

51446083936 is an abundant number, since it is smaller than the sum of its proper divisors (57629508368).

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

51446083936 is a wasteful number, since it uses less digits than its factorization.

51446083936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123668494 (or 123668486 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 51446083936 in words is "fifty-one billion, four hundred forty-six million, eighty-three thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 123668471 247336942 494673884 989347768 1607690123 1978695536 3215380246 3957391072 6430760492 12861520984 25723041968 51446083936