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13023001213 = 131980310141
BaseRepresentation
bin11000010000011101…
…10011101001111101
31020121121002000012021
430020032303221331
5203132342014323
65552132040141
7640502453365
oct141016635175
936547060167
1013023001213
115583165622
122635463051
1312c70961a1
148b78359a5
1551349705d
hex3083b3a7d

13023001213 has 8 divisors (see below), whose sum is σ = 13125046176. Its totient is φ = 12920996400.

The previous prime is 13023001177. The next prime is 13023001241. The reversal of 13023001213 is 31210032031.

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

It is a cyclic number.

It is not a de Polignac number, because 13023001213 - 225 = 12989446781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023008213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279123 + ... + 1289263.

It is an arithmetic number, because the mean of its divisors is an integer number (1640630772).

Almost surely, 213023001213 is an apocalyptic number.

It is an amenable number.

13023001213 is a deficient number, since it is larger than the sum of its proper divisors (102044963).

13023001213 is a wasteful number, since it uses less digits than its factorization.

13023001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075.

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

Adding to 13023001213 its reverse (31210032031), we get a palindrome (44233033244).

The spelling of 13023001213 in words is "thirteen billion, twenty-three million, one thousand, two hundred thirteen".

Divisors: 1 131 9803 10141 1284193 1328471 99412223 13023001213