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12699603417 = 34233201139
BaseRepresentation
bin10111101001111010…
…01001000111011001
31012210001112200211010
423310331021013121
5202002044302132
65500100324133
7626464563564
oct136475110731
935701480733
1012699603417
115427660016
1225650a3649
131275095547
148868d14db
154e4db56cc
hex2f4f491d9

12699603417 has 4 divisors (see below), whose sum is σ = 16932804560. Its totient is φ = 8466402276.

The previous prime is 12699603409. The next prime is 12699603421. The reversal of 12699603417 is 71430699621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12699603417 - 23 = 12699603409 is a prime.

It is a super-3 number, since 3×126996034173 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12699603467) 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 3 ways as a sum of consecutive naturals, for example, 2116600567 + ... + 2116600572.

It is an arithmetic number, because the mean of its divisors is an integer number (4233201140).

Almost surely, 212699603417 is an apocalyptic number.

It is an amenable number.

12699603417 is a deficient number, since it is larger than the sum of its proper divisors (4233201143).

12699603417 is an equidigital number, since it uses as much as digits as its factorization.

12699603417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233201142.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 12699603417 in words is "twelve billion, six hundred ninety-nine million, six hundred three thousand, four hundred seventeen".

Divisors: 1 3 4233201139 12699603417