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13121024120002 = 24323548140649
BaseRepresentation
bin1011111011101111100111…
…1110110101010011000010
31201110100122201201211022101
42332323321332311103002
53204433324133320002
643523414255301014
72522651131553401
oct276737176652302
951410581654271
1013121024120002
1141a9660062387
12157ab3851a76a
137423cc0a6446
143350bd397638
1517b4944d5587
hexbeef9fb54c2

13121024120002 has 12 divisors (see below), whose sum is σ = 20149890751350. Its totient is φ = 6407942010288.

The previous prime is 13121024119999. The next prime is 13121024120021. The reversal of 13121024120002 is 20002142012131.

It can be written as a sum of positive squares in only one way, i.e., 12724566256801 + 396457863201 = 3567151^2 + 629649^2 .

It is a super-2 number, since 2×131210241200022 (a number of 27 digits) contains 22 as substring.

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, 1774066627 + ... + 1774074022.

Almost surely, 213121024120002 is an apocalyptic number.

13121024120002 is a deficient number, since it is larger than the sum of its proper divisors (7028866631348).

13121024120002 is an equidigital number, since it uses as much as digits as its factorization.

13121024120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548140737 (or 3548140694 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13121024120002 its reverse (20002142012131), we get a palindrome (33123166132133).

The spelling of 13121024120002 in words is "thirteen trillion, one hundred twenty-one billion, twenty-four million, one hundred twenty thousand, two".

Divisors: 1 2 43 86 1849 3698 3548140649 7096281298 152570047907 305140095814 6560512060001 13121024120002