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13120332001 = 71874333143
BaseRepresentation
bin11000011100000100…
…00110000011100001
31020212101012220221021
430032002012003201
5203332301111001
610005530125441
7643063660540
oct141602060341
936771186837
1013120332001
1156230a3697
122661b80881
1313112b3a7a
148c6730157
1551bcc0ba1
hex30e0860e1

13120332001 has 4 divisors (see below), whose sum is σ = 14994665152. Its totient is φ = 11245998852.

The previous prime is 13120331999. The next prime is 13120332019. The reversal of 13120332001 is 10023302131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10023302131 = 11251890881.

It is a cyclic number.

It is not a de Polignac number, because 13120332001 - 21 = 13120331999 is a prime.

It is a super-2 number, since 2×131203320012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120332041) 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, 937166565 + ... + 937166578.

It is an arithmetic number, because the mean of its divisors is an integer number (3748666288).

Almost surely, 213120332001 is an apocalyptic number.

It is an amenable number.

13120332001 is a deficient number, since it is larger than the sum of its proper divisors (1874333151).

13120332001 is an equidigital number, since it uses as much as digits as its factorization.

13120332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874333150.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13120332001 its reverse (10023302131), we get a palindrome (23143634132).

The spelling of 13120332001 in words is "thirteen billion, one hundred twenty million, three hundred thirty-two thousand, one".

Divisors: 1 7 1874333143 13120332001