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13021132001 = 49332639597
BaseRepresentation
bin11000010000001111…
…01011010011100001
31020121110120001010012
430020013223103201
5203131402211001
65552024014305
7640450536653
oct141007532341
936543501105
1013021132001
1155820a9219
122634901395
1312c6890447
148b74aa6d3
155132282bb
hex3081eb4e1

13021132001 has 4 divisors (see below), whose sum is σ = 13023776532. Its totient is φ = 13018487472.

The previous prime is 13021131943. The next prime is 13021132057. The reversal of 13021132001 is 10023112031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10023112031 = 28335417357.

It can be written as a sum of positive squares in 2 ways, for example, as 4647966976 + 8373165025 = 68176^2 + 91505^2 .

It is a cyclic number.

It is not a de Polignac number, because 13021132001 - 222 = 13016937697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021132601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314866 + ... + 1324731.

It is an arithmetic number, because the mean of its divisors is an integer number (3255944133).

Almost surely, 213021132001 is an apocalyptic number.

It is an amenable number.

13021132001 is a deficient number, since it is larger than the sum of its proper divisors (2644531).

13021132001 is an equidigital number, since it uses as much as digits as its factorization.

13021132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644530.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13021132001 its reverse (10023112031), we get a palindrome (23044244032).

The spelling of 13021132001 in words is "thirteen billion, twenty-one million, one hundred thirty-two thousand, one".

Divisors: 1 4933 2639597 13021132001