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12102200495 = 571131434287
BaseRepresentation
bin10110100010101100…
…01110110010101111
31011020102102111001222
423101112032302233
5144241130403440
65320520053555
7605622002240
oct132126166257
934212374058
1012102200495
1151504163a0
1224190042bb
1311ab398aa8
1482b422cc7
154ac70c2b5
hex2d158ecaf

12102200495 has 16 divisors (see below), whose sum is σ = 18106149888. Its totient is φ = 7544228640.

The previous prime is 12102200483. The next prime is 12102200497. The reversal of 12102200495 is 59400220121.

It is not a de Polignac number, because 12102200495 - 24 = 12102200479 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 (12102200497) 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 15 ways as a sum of consecutive naturals, for example, 15716759 + ... + 15717528.

It is an arithmetic number, because the mean of its divisors is an integer number (1131634368).

Almost surely, 212102200495 is an apocalyptic number.

12102200495 is a deficient number, since it is larger than the sum of its proper divisors (6003949393).

12102200495 is a wasteful number, since it uses less digits than its factorization.

12102200495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31434310.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12102200495 in words is "twelve billion, one hundred two million, two hundred thousand, four hundred ninety-five".

Divisors: 1 5 7 11 35 55 77 385 31434287 157171435 220040009 345777157 1100200045 1728885785 2420440099 12102200495