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56938892901 = 31111231536439
BaseRepresentation
bin110101000001110100…
…101000111001100101
312102222011120110020020
4311001310220321211
51413102324033101
642053554025353
74053666414132
oct650164507145
9172864513206
1056938892901
112216957aa90
12b050878259
1354a54cbb07
142a82101589
151733b3d136
hexd41d28e65

56938892901 has 16 divisors (see below), whose sum is σ = 82894010880. Its totient is φ = 34477668720.

The previous prime is 56938892887. The next prime is 56938892947. The reversal of 56938892901 is 10929883965.

It is a happy number.

It is not a de Polignac number, because 56938892901 - 26 = 56938892837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56938892701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731161 + ... + 805278.

It is an arithmetic number, because the mean of its divisors is an integer number (5180875680).

Almost surely, 256938892901 is an apocalyptic number.

It is an amenable number.

56938892901 is a deficient number, since it is larger than the sum of its proper divisors (25955117979).

56938892901 is a wasteful number, since it uses less digits than its factorization.

56938892901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537576.

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 56938892901 in words is "fifty-six billion, nine hundred thirty-eight million, eight hundred ninety-two thousand, nine hundred one".

Divisors: 1 3 11 33 1123 3369 12353 37059 1536439 4609317 16900829 50702487 1725420997 5176262991 18979630967 56938892901