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12691627070 = 254492826643
BaseRepresentation
bin10111101000111101…
…01101110000111110
31012202111112110022212
423310132231300332
5201443024031240
65455213340422
7626340023123
oct136436556076
935674473285
1012691627070
1154231022a1
122562497712
131273531b05
1488581674a
154e433c165
hex2f47adc3e

12691627070 has 16 divisors (see below), whose sum is σ = 22895816400. Its totient is φ = 5065342464.

The previous prime is 12691627021. The next prime is 12691627097. The reversal of 12691627070 is 7072619621.

It is a super-2 number, since 2×126916270702 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408832 + ... + 1417811.

It is an arithmetic number, because the mean of its divisors is an integer number (1430988525).

Almost surely, 212691627070 is an apocalyptic number.

12691627070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12691627070 is a deficient number, since it is larger than the sum of its proper divisors (10204189330).

12691627070 is a wasteful number, since it uses less digits than its factorization.

12691627070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827099.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 12691627070 in words is "twelve billion, six hundred ninety-one million, six hundred twenty-seven thousand, seventy".

Divisors: 1 2 5 10 449 898 2245 4490 2826643 5653286 14133215 28266430 1269162707 2538325414 6345813535 12691627070