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13123050252670 = 251723291812692377
BaseRepresentation
bin1011111011110111001010…
…1111111010100101111110
31201110112212221021000211001
42332331302233322211332
53210002001331041140
643524351314320514
72523052263445621
oct276756257724576
951415787230731
1013123050252670
1141aa4aa828896
12157b402b8913a
13742662aa0407
143352324d5db8
1517b56230ae9a
hexbef72bfa97e

13123050252670 has 256 divisors, whose sum is σ = 27259915737600. Its totient is φ = 4518709493760.

The previous prime is 13123050252649. The next prime is 13123050252679. The reversal of 13123050252670 is 7625205032131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123050252679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5520844522 + ... + 5520846898.

It is an arithmetic number, because the mean of its divisors is an integer number (106484045850).

Almost surely, 213123050252670 is an apocalyptic number.

13123050252670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123050252670 is an abundant number, since it is smaller than the sum of its proper divisors (14136865484930).

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

13123050252670 is a wasteful number, since it uses less digits than its factorization.

13123050252670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 13123050252670 in words is "thirteen trillion, one hundred twenty-three billion, fifty million, two hundred fifty-two thousand, six hundred seventy".