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10123155013 is a prime number
BaseRepresentation
bin10010110110110001…
…10001011001000101
3222010111111120001011
421123120301121011
5131213011430023
64352302202221
7505601253316
oct113330613105
928114446034
1010123155013
114325291214
121b66283371
13c5437a46a
146c066060d
153e3ad850d
hex25b631645

10123155013 has 2 divisors, whose sum is σ = 10123155014. Its totient is φ = 10123155012.

The previous prime is 10123155001. The next prime is 10123155017. The reversal of 10123155013 is 31055132101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9818233569 + 304921444 = 99087^2 + 17462^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123155013 - 217 = 10123023941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123155017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061577506 + 5061577507.

It is an arithmetic number, because the mean of its divisors is an integer number (5061577507).

Almost surely, 210123155013 is an apocalyptic number.

It is an amenable number.

10123155013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123155013 is an equidigital number, since it uses as much as digits as its factorization.

10123155013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 10123155013 its reverse (31055132101), we get a palindrome (41178287114).

The spelling of 10123155013 in words is "ten billion, one hundred twenty-three million, one hundred fifty-five thousand, thirteen".