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10011102131 = 47213002173
BaseRepresentation
bin10010101001011010…
…10100101110110011
3221211200122200101102
421110231110232303
5131000320232011
64333220355015
7503040651452
oct112455245663
927750580342
1010011102131
114278008228
121b34845a6b
13c370a6894
146ad812b99
153d8d5273b
hex254b54bb3

10011102131 has 4 divisors (see below), whose sum is σ = 10224104352. Its totient is φ = 9798099912.

The previous prime is 10011102113. The next prime is 10011102133. The reversal of 10011102131 is 13120111001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10011102131 is a prime.

It is a super-2 number, since 2×100111021312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011102133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106501040 + ... + 106501133.

It is an arithmetic number, because the mean of its divisors is an integer number (2556026088).

Almost surely, 210011102131 is an apocalyptic number.

10011102131 is a deficient number, since it is larger than the sum of its proper divisors (213002221).

10011102131 is an equidigital number, since it uses as much as digits as its factorization.

10011102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213002220.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10011102131 its reverse (13120111001), we get a palindrome (23131213132).

The spelling of 10011102131 in words is "ten billion, eleven million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 47 213002173 10011102131