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3768812472385 = 52200093426053
BaseRepresentation
bin110110110101111110101…
…110101000100001000001
3111100021222000120110102101
4312311332232220201001
5443222011443104020
612003211334550401
7536200454306452
oct66657656504101
914307860513371
103768812472385
11122338742a364
1250a507808401
1321452239900c
14d05a920d129
156807ea3700a
hex36d7eba8841

3768812472385 has 8 divisors (see below), whose sum is σ = 4522596843240. Its totient is φ = 3015035393664.

The previous prime is 3768812472371. The next prime is 3768812472421. The reversal of 3768812472385 is 5832742188673.

It can be written as a sum of positive squares in 4 ways, for example, as 300729398544 + 3468083073841 = 548388^2 + 1862279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3768812472385 - 227 = 3768678254657 is a prime.

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, 612982 + ... + 2813071.

It is an arithmetic number, because the mean of its divisors is an integer number (565324605405).

Almost surely, 23768812472385 is an apocalyptic number.

It is an amenable number.

3768812472385 is a deficient number, since it is larger than the sum of its proper divisors (753784370855).

3768812472385 is a wasteful number, since it uses less digits than its factorization.

3768812472385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646067.

The product of its digits is 108380160, while the sum is 64.

The spelling of 3768812472385 in words is "three trillion, seven hundred sixty-eight billion, eight hundred twelve million, four hundred seventy-two thousand, three hundred eighty-five".

Divisors: 1 5 220009 1100045 3426053 17130265 753762494477 3768812472385