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221657221403113 = 1132074794547083
BaseRepresentation
bin110010011001100010010111…
…111100011001000111101001
31002001211020000212112111120211
4302121202113330121013221
5213023112442134344423
62103231531033421121
764455130403004556
oct6231422774310751
91061736025474524
10221657221403113
1164699332987971
1220a3a7a2b6a7a1
13968b256380852
143ca43a3dada2d
151a95c2dd4e10d
hexc99897f191e9

221657221403113 has 8 divisors (see below), whose sum is σ = 223629570466848. Its totient is φ = 219685061475264.

The previous prime is 221657221403081. The next prime is 221657221403171. The reversal of 221657221403113 is 311304122756122.

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 221657221403113 - 25 = 221657221403081 is a prime.

It is a super-3 number, since 3×2216572214031133 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221657221403213) 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, 44929131 + ... + 49617952.

It is an arithmetic number, because the mean of its divisors is an integer number (27953696308356).

Almost surely, 2221657221403113 is an apocalyptic number.

It is an amenable number.

221657221403113 is a deficient number, since it is larger than the sum of its proper divisors (1972349063735).

221657221403113 is a wasteful number, since it uses less digits than its factorization.

221657221403113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94567943.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 221657221403113 in words is "two hundred twenty-one trillion, six hundred fifty-seven billion, two hundred twenty-one million, four hundred three thousand, one hundred thirteen".

Divisors: 1 113 20747 2344411 94547083 10683820379 1961568331001 221657221403113