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12701554520 = 235317538863
BaseRepresentation
bin10111101010001001…
…00101011101011000
31012210012012211020012
423311010211131120
5202003044221040
65500210221052
7626520301124
oct136504453530
935705184205
1012701554520
1154287729a6
122565884788
1312755c9645
14886c7c584
154e514d865
hex2f5125758

12701554520 has 16 divisors (see below), whose sum is σ = 28578497760. Its totient is φ = 5080621792.

The previous prime is 12701554501. The next prime is 12701554559. The reversal of 12701554520 is 2545510721.

12701554520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127015545202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158769392 + ... + 158769471.

It is an arithmetic number, because the mean of its divisors is an integer number (1786156110).

Almost surely, 212701554520 is an apocalyptic number.

12701554520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12701554520 is an abundant number, since it is smaller than the sum of its proper divisors (15876943240).

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

12701554520 is a wasteful number, since it uses less digits than its factorization.

12701554520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317538874 (or 317538870 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 12701554520 in words is "twelve billion, seven hundred one million, five hundred fifty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 317538863 635077726 1270155452 1587694315 2540310904 3175388630 6350777260 12701554520