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13010321009 = 71858617287
BaseRepresentation
bin11000001110111100…
…11011111001110001
31020120201012210020002
430013132123321301
5203121120233014
65551000155345
7640256622020
oct140736337161
936521183202
1013010321009
115576a94814
122631168b55
1312c45766ca
148b5c948b7
155122dedde
hex30779be71

13010321009 has 4 divisors (see below), whose sum is σ = 14868938304. Its totient is φ = 11151703716.

The previous prime is 13010320997. The next prime is 13010321021. The reversal of 13010321009 is 90012301031.

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.

It is an interprime number because it is at equal distance from previous prime (13010320997) and next prime (13010321021).

It is a cyclic number.

It is not a de Polignac number, because 13010321009 - 28 = 13010320753 is a prime.

It is a super-3 number, since 3×130103210093 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13010321509) 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, 929308637 + ... + 929308650.

It is an arithmetic number, because the mean of its divisors is an integer number (3717234576).

Almost surely, 213010321009 is an apocalyptic number.

It is an amenable number.

13010321009 is a deficient number, since it is larger than the sum of its proper divisors (1858617295).

13010321009 is an equidigital number, since it uses as much as digits as its factorization.

13010321009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858617294.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 13010321009 in words is "thirteen billion, ten million, three hundred twenty-one thousand, nine".

Divisors: 1 7 1858617287 13010321009