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12534023120 = 245125172
BaseRepresentation
bin10111010110001011…
…00000001111010000
31012100111222100100112
423223011200033100
5201132202214440
65431423340452
7622414303313
oct135305401720
935314870315
1012534023120
1153521470a3
122519751728
13124999cb38
1486c90c97a
154d55a9965
hex2eb1603d0

12534023120 has 30 divisors (see below), whose sum is σ = 29143932102. Its totient is φ = 5013208704.

The previous prime is 12534023119. The next prime is 12534023179. The reversal of 12534023120 is 2132043521.

It can be written as a sum of positive squares in 3 ways, for example, as 7151746624 + 5382276496 = 84568^2 + 73364^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 995102 + ... + 1007618.

Almost surely, 212534023120 is an apocalyptic number.

12534023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12534023120 is an abundant number, since it is smaller than the sum of its proper divisors (16609908982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12534023120 is an frugal number, since it uses more digits than its factorization.

12534023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25047 (or 12524 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12534023120 its reverse (2132043521), we get a palindrome (14666066641).

The spelling of 12534023120 in words is "twelve billion, five hundred thirty-four million, twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 12517 25034 50068 62585 100136 125170 200272 250340 500680 1001360 156675289 313350578 626701156 783376445 1253402312 1566752890 2506804624 3133505780 6267011560 12534023120