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12934806140 = 2256011076107
BaseRepresentation
bin11000000101111100…
…10111101001111100
31020101110010020022002
430002332113221330
5202442302244030
65535301441432
7635352016034
oct140276275174
936343106262
1012934806140
1155383a7333
12260ba10278
1312b1a26959
148a9c388c4
1550a875245
hex302f97a7c

12934806140 has 24 divisors (see below), whose sum is σ = 27208314672. Its totient is φ = 5165308800.

The previous prime is 12934806139. The next prime is 12934806151. The reversal of 12934806140 is 4160843921.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12934806094 and 12934806103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526034 + ... + 550073.

It is an arithmetic number, because the mean of its divisors is an integer number (1133679778).

Almost surely, 212934806140 is an apocalyptic number.

12934806140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12934806140 is an abundant number, since it is smaller than the sum of its proper divisors (14273508532).

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

12934806140 is a wasteful number, since it uses less digits than its factorization.

12934806140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076717 (or 1076715 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 12934806140 in words is "twelve billion, nine hundred thirty-four million, eight hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 601 1202 2404 3005 6010 12020 1076107 2152214 4304428 5380535 10761070 21522140 646740307 1293480614 2586961228 3233701535 6467403070 12934806140