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12123274045 = 519127613411
BaseRepresentation
bin10110100101001101…
…00111101100111101
31011021220002010112211
423102212213230331
5144312024232140
65322551500421
7606266062201
oct132246475475
934256063484
1012123274045
1151612aa253
122424087711
1311b2866a4c
1483014ab01
154ae4c12ea
hex2d29a7b3d

12123274045 has 8 divisors (see below), whose sum is σ = 15313609440. Its totient is φ = 9188165520.

The previous prime is 12123274021. The next prime is 12123274099. The reversal of 12123274045 is 54047232121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12123274045 - 25 = 12123274013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123273998 and 12123274016.

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, 63806611 + ... + 63806800.

It is an arithmetic number, because the mean of its divisors is an integer number (1914201180).

Almost surely, 212123274045 is an apocalyptic number.

It is an amenable number.

12123274045 is a deficient number, since it is larger than the sum of its proper divisors (3190335395).

12123274045 is a wasteful number, since it uses less digits than its factorization.

12123274045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127613435.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 12123274045 in words is "twelve billion, one hundred twenty-three million, two hundred seventy-four thousand, forty-five".

Divisors: 1 5 19 95 127613411 638067055 2424654809 12123274045