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3806807855061 = 38811440335927
BaseRepresentation
bin110111011001010111011…
…011100000111111010101
3111110221000222120212220210
4313121113123200333111
5444332320302330221
612032453503520033
7542014150605051
oct67312733407725
914427028525823
103806807855061
111238504877772
125159502b9019
13217c99048683
14d237147cc61
1569055548276
hex376576e0fd5

3806807855061 has 8 divisors (see below), whose sum is σ = 5081505153984. Its totient is φ = 2534991229760.

The previous prime is 3806807855051. The next prime is 3806807855077. The reversal of 3806807855061 is 1605587086083.

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 3806807855061 - 213 = 3806807846869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3806807854992 and 3806807855010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806807855051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720165321 + ... + 720170606.

It is an arithmetic number, because the mean of its divisors is an integer number (635188144248).

Almost surely, 23806807855061 is an apocalyptic number.

It is an amenable number.

3806807855061 is a deficient number, since it is larger than the sum of its proper divisors (1274697298923).

3806807855061 is a wasteful number, since it uses less digits than its factorization.

3806807855061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440336811.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 3806807855061 in words is "three trillion, eight hundred six billion, eight hundred seven million, eight hundred fifty-five thousand, sixty-one".

Divisors: 1 3 881 2643 1440335927 4321007781 1268935951687 3806807855061