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12869115289634 = 26434557644817
BaseRepresentation
bin1011101101000101001100…
…0010111010000000100010
31200120021102202211100012002
42323101103002322000202
53141321422003232014
643211553455004002
72465522450045462
oct273212302720042
950507382740162
1012869115289634
1141118410a167a
12153a154809602
13724724711636
14326c2325dba2
15174b4dd16dde
hexbb4530ba022

12869115289634 has 4 divisors (see below), whose sum is σ = 19303672934454. Its totient is φ = 6434557644816.

The previous prime is 12869115289607. The next prime is 12869115289777. The reversal of 12869115289634 is 43698251196821.

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

It can be written as a sum of positive squares in only one way, i.e., 12030471439009 + 838643850625 = 3468497^2 + 915775^2 .

It is a super-2 number, since 2×128691152896342 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217278822407 + ... + 3217278822410.

Almost surely, 212869115289634 is an apocalyptic number.

12869115289634 is a deficient number, since it is larger than the sum of its proper divisors (6434557644820).

12869115289634 is an equidigital number, since it uses as much as digits as its factorization.

12869115289634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434557644819.

The product of its digits is 44789760, while the sum is 65.

The spelling of 12869115289634 in words is "twelve trillion, eight hundred sixty-nine billion, one hundred fifteen million, two hundred eighty-nine thousand, six hundred thirty-four".

Divisors: 1 2 6434557644817 12869115289634