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13123102310 = 251312310231
BaseRepresentation
bin11000011100011001…
…01010011001100110
31020212120102200002022
430032030222121212
5203334003233220
610010105343142
7643126346333
oct141614523146
936776380068
1013123102310
115624715aaa
122662a97ab2
131311a439c6
148c6c5198a
1551c16b925
hex30e32a666

13123102310 has 8 divisors (see below), whose sum is σ = 23621584176. Its totient is φ = 5249240920.

The previous prime is 13123102309. The next prime is 13123102313. The reversal of 13123102310 is 1320132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131231023102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123102313) 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, 656155106 + ... + 656155125.

It is an arithmetic number, because the mean of its divisors is an integer number (2952698022).

Almost surely, 213123102310 is an apocalyptic number.

13123102310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123102310 is a deficient number, since it is larger than the sum of its proper divisors (10498481866).

13123102310 is a wasteful number, since it uses less digits than its factorization.

13123102310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312310238.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13123102310 its reverse (1320132131), we get a palindrome (14443234441).

The spelling of 13123102310 in words is "thirteen billion, one hundred twenty-three million, one hundred two thousand, three hundred ten".

Divisors: 1 2 5 10 1312310231 2624620462 6561551155 13123102310