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20101102107 = 317394139257
BaseRepresentation
bin10010101110000111…
…100111101000011011
31220212212202210021020
4102232013213220123
5312131340231412
613122340213523
71311060356142
oct225607475033
956785683236
1020101102107
118585603589
123a8b99a2a3
131b84615c78
14d898c2759
157c9a8c18c
hex4ae1e7a1b

20101102107 has 8 divisors (see below), whose sum is σ = 28378026576. Its totient is φ = 12612456192.

The previous prime is 20101101997. The next prime is 20101102111. The reversal of 20101102107 is 70120110102.

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

It is not a de Polignac number, because 20101102107 - 211 = 20101100059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101102207) 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, 197069578 + ... + 197069679.

It is an arithmetic number, because the mean of its divisors is an integer number (3547253322).

Almost surely, 220101102107 is an apocalyptic number.

20101102107 is a deficient number, since it is larger than the sum of its proper divisors (8276924469).

20101102107 is a wasteful number, since it uses less digits than its factorization.

20101102107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394139277.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 20101102107 its reverse (70120110102), we get a palindrome (90221212209).

The spelling of 20101102107 in words is "twenty billion, one hundred one million, one hundred two thousand, one hundred seven".

Divisors: 1 3 17 51 394139257 1182417771 6700367369 20101102107