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13123908201 = 34374636067
BaseRepresentation
bin11000011100011111…
…01111001001101001
31020212121221121120010
430032033233021221
5203334210030301
610010134522133
7643136244015
oct141617571151
936777847503
1013123908201
115625116528
122663206349
131311c66771
148c6dc1545
1551c27a5d6
hex30e3ef269

13123908201 has 4 divisors (see below), whose sum is σ = 17498544272. Its totient is φ = 8749272132.

The previous prime is 13123908199. The next prime is 13123908221. The reversal of 13123908201 is 10280932131.

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 not a de Polignac number, because 13123908201 - 21 = 13123908199 is a prime.

It is a super-3 number, since 3×131239082013 (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 (13123908221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187318031 + ... + 2187318036.

It is an arithmetic number, because the mean of its divisors is an integer number (4374636068).

Almost surely, 213123908201 is an apocalyptic number.

It is an amenable number.

13123908201 is a deficient number, since it is larger than the sum of its proper divisors (4374636071).

13123908201 is an equidigital number, since it uses as much as digits as its factorization.

13123908201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374636070.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 13123908201 in words is "thirteen billion, one hundred twenty-three million, nine hundred eight thousand, two hundred one".

Divisors: 1 3 4374636067 13123908201