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12406532047 = 7131135632143
BaseRepresentation
bin10111000110111110…
…01010011111001111
31012000122002010110221
423203133022133033
5200402033011142
65411031012211
7616305532240
oct134337123717
935018063427
1012406532047
115297189178
1224a2b0a067
131229452330
14859a02cc7
154c92c4767
hex2e37ca7cf

12406532047 has 32 divisors (see below), whose sum is σ = 15439269888. Its totient is φ = 9707475456.

The previous prime is 12406532023. The next prime is 12406532059. The reversal of 12406532047 is 74023560421.

It is not a de Polignac number, because 12406532047 - 27 = 12406531919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406532147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5788258 + ... + 5790400.

It is an arithmetic number, because the mean of its divisors is an integer number (482477184).

Almost surely, 212406532047 is an apocalyptic number.

12406532047 is a deficient number, since it is larger than the sum of its proper divisors (3032737841).

12406532047 is a wasteful number, since it uses less digits than its factorization.

12406532047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 12406532047 in words is "twelve billion, four hundred six million, five hundred thirty-two thousand, forty-seven".

Divisors: 1 7 13 91 113 563 791 1469 2143 3941 7319 10283 15001 27859 51233 63619 195013 242159 445333 827047 1206509 1695113 3148067 5789329 8445563 15684617 22036469 109792319 136335517 954348619 1772361721 12406532047