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21102010131013 = 717177327816227
BaseRepresentation
bin1001100110001001100011…
…10100010110001001000101
32202201022222100221111202021
410303010301310112021011
510231213404043143023
6112514043555443141
74305366324414460
oct463046164261105
982638870844667
1021102010131013
1167a6348655229
1224498645b64b1
13ba0bac672736
1452d4b269a2d7
15268da204b35d
hex133131d16245

21102010131013 has 8 divisors (see below), whose sum is σ = 25535205536832. Its totient is φ = 17023470357696.

The previous prime is 21102010130951. The next prime is 21102010131023. The reversal of 21102010131013 is 31013101020112.

It is a happy number.

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 21102010131013 - 213 = 21102010122821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102010131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88663907995 + ... + 88663908232.

It is an arithmetic number, because the mean of its divisors is an integer number (3191900692104).

Almost surely, 221102010131013 is an apocalyptic number.

It is an amenable number.

21102010131013 is a deficient number, since it is larger than the sum of its proper divisors (4433195405819).

21102010131013 is a wasteful number, since it uses less digits than its factorization.

21102010131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177327816251.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21102010131013 its reverse (31013101020112), we get a palindrome (52115111151125).

The spelling of 21102010131013 in words is "twenty-one trillion, one hundred two billion, ten million, one hundred thirty-one thousand, thirteen".

Divisors: 1 7 17 119 177327816227 1241294713589 3014572875859 21102010131013