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12103654213 = 77124353429
BaseRepresentation
bin10110100010110111…
…10001101101000101
31011020112011100012101
423101123301231011
5144242013413323
65321011152101
7605640235420
oct132133615505
934215140171
1012103654213
115151219612
1224195a5631
1311ab787691
1482b6c09b7
154ac8e7dad
hex2d16f1b45

12103654213 has 8 divisors (see below), whose sum is σ = 14027575680. Its totient is φ = 10228439760.

The previous prime is 12103654183. The next prime is 12103654219. The reversal of 12103654213 is 31245630121.

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

It is not a de Polignac number, because 12103654213 - 25 = 12103654181 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 (12103654219) 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, 12176218 + ... + 12177211.

It is an arithmetic number, because the mean of its divisors is an integer number (1753446960).

Almost surely, 212103654213 is an apocalyptic number.

It is an amenable number.

12103654213 is a deficient number, since it is larger than the sum of its proper divisors (1923921467).

12103654213 is an equidigital number, since it uses as much as digits as its factorization.

12103654213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24353507.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 12103654213 in words is "twelve billion, one hundred three million, six hundred fifty-four thousand, two hundred thirteen".

Divisors: 1 7 71 497 24353429 170474003 1729093459 12103654213