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12641541134 = 2131155331069
BaseRepresentation
bin10111100010111111…
…01001110000001110
31012122000021211100012
423301133221300032
5201342213304014
65450224033222
7625161220025
oct136137516016
935560254305
1012641541134
1153a7902a62
122549762812
131266046571
1487ccd98bc
154dec46c3e
hex2f17e9c0e

12641541134 has 16 divisors (see below), whose sum is σ = 19119980880. Its totient is φ = 6268279680.

The previous prime is 12641541067. The next prime is 12641541137. The reversal of 12641541134 is 43114514621.

12641541134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×126415411342 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12641541134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641541137) 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, 391352 + ... + 422420.

It is an arithmetic number, because the mean of its divisors is an integer number (1194998805).

Almost surely, 212641541134 is an apocalyptic number.

12641541134 is a deficient number, since it is larger than the sum of its proper divisors (6478439746).

12641541134 is a wasteful number, since it uses less digits than its factorization.

12641541134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32755.

The product of its digits is 11520, while the sum is 32.

The spelling of 12641541134 in words is "twelve billion, six hundred forty-one million, five hundred forty-one thousand, one hundred thirty-four".

Divisors: 1 2 131 262 1553 3106 31069 62138 203443 406886 4070039 8140078 48250157 96500314 6320770567 12641541134