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12850138810 = 252265156731
BaseRepresentation
bin10111111011110110…
…11000111010111010
31020011112210200120001
423331323120322322
5202304113420220
65523035023214
7633303243355
oct137573307272
936145720501
1012850138810
1154a4628533
1225a759ab0a
13129a321042
1489c8b929c
155031ed80a
hex2fded8eba

12850138810 has 16 divisors (see below), whose sum is σ = 23131678752. Its totient is φ = 5139738000.

The previous prime is 12850138799. The next prime is 12850138811. The reversal of 12850138810 is 1883105821.

It is a super-2 number, since 2×128501388102 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12850138810.

It is not an unprimeable number, because it can be changed into a prime (12850138811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198145 + ... + 254875.

It is an arithmetic number, because the mean of its divisors is an integer number (1445729922).

Almost surely, 212850138810 is an apocalyptic number.

12850138810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12850138810 is a deficient number, since it is larger than the sum of its proper divisors (10281539942).

12850138810 is a wasteful number, since it uses less digits than its factorization.

12850138810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79389.

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 12850138810 in words is "twelve billion, eight hundred fifty million, one hundred thirty-eight thousand, eight hundred ten".

Divisors: 1 2 5 10 22651 45302 56731 113255 113462 226510 283655 567310 1285013881 2570027762 6425069405 12850138810