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23310244139 = 713490952181
BaseRepresentation
bin10101101101011001…
…100001100100101011
32020011112100002112112
4111231121201210223
5340214410303024
614413015232535
71453435543310
oct255531414453
966145302475
1023310244139
119982030486
12462667874b
132276435990
1411b1baad07
1591669400e
hex56d66192b

23310244139 has 16 divisors (see below), whose sum is σ = 28695925440. Its totient is φ = 18439159680.

The previous prime is 23310244121. The next prime is 23310244157. The reversal of 23310244139 is 93144201332.

It is an interprime number because it is at equal distance from previous prime (23310244121) and next prime (23310244157).

It is a cyclic number.

It is not a de Polignac number, because 23310244139 - 212 = 23310240043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23310244339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420629 + ... + 472809.

It is an arithmetic number, because the mean of its divisors is an integer number (1793495340).

Almost surely, 223310244139 is an apocalyptic number.

23310244139 is a deficient number, since it is larger than the sum of its proper divisors (5385681301).

23310244139 is a wasteful number, since it uses less digits than its factorization.

23310244139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57110.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 23310244139 in words is "twenty-three billion, three hundred ten million, two hundred forty-four thousand, one hundred thirty-nine".

Divisors: 1 7 13 91 4909 34363 52181 63817 365267 446719 678353 4748471 256156529 1793095703 3330034877 23310244139