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12345311172670 = 2572099369722727
BaseRepresentation
bin1011001110100101110111…
…1000110001100000111110
31121201012101221222012020221
42303221131320301200332
53104231144130011140
642131205130531554
72412630214365160
oct263513570614076
947635357865227
1012345311172670
113a2a687351843
12147472b896bba
136b7208a3c968
14309732830930
151661e34d714a
hexb3a5de3183e

12345311172670 has 64 divisors (see below), whose sum is σ = 25416158745600. Its totient is φ = 4229331144192.

The previous prime is 12345311172653. The next prime is 12345311172769. The reversal of 12345311172670 is 7627111354321.

It is a super-3 number, since 3×123453111726703 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543188847 + ... + 543211573.

It is an arithmetic number, because the mean of its divisors is an integer number (397127480400).

Almost surely, 212345311172670 is an apocalyptic number.

12345311172670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12345311172670 is an abundant number, since it is smaller than the sum of its proper divisors (13070847572930).

12345311172670 is a wasteful number, since it uses less digits than its factorization.

12345311172670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 12345311172670 in words is "twelve trillion, three hundred forty-five billion, three hundred eleven million, one hundred seventy-two thousand, six hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 2099 3697 4198 7394 10495 14693 18485 20990 22727 25879 29386 36970 45454 51758 73465 113635 129395 146930 159089 227270 258790 318178 795445 1590890 7760003 15520006 38800015 47703973 54320021 77600030 84021719 95407946 108640042 168043438 238519865 271600105 333927811 420108595 477039730 543200210 588152033 667855622 840217190 1176304066 1669639055 2940760165 3339278110 5881520330 176361588181 352723176362 881807940905 1234531117267 1763615881810 2469062234534 6172655586335 12345311172670