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71630123231113 = 79906710420647
BaseRepresentation
bin10000010010010110110000…
…000011001110011110001001
3100101121202212110001221110021
4100102112300003032132021
533342041443021343423
6412202231353420441
721042051141335236
oct2022266003163611
9311552773057407
1071630123231113
112090718a196a37
12804a49340a721
1330c78cb6b0645
141398cb8ab878d
158433e594695d
hex4125b00ce789

71630123231113 has 4 divisors (see below), whose sum is σ = 72536833651840. Its totient is φ = 70723412810388.

The previous prime is 71630123230993. The next prime is 71630123231119. The reversal of 71630123231113 is 31113232103617.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71630123231113 is a prime.

It is a super-2 number, since 2×716301232311132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71630123231119) 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, 453355210245 + ... + 453355210402.

It is an arithmetic number, because the mean of its divisors is an integer number (18134208412960).

Almost surely, 271630123231113 is an apocalyptic number.

It is an amenable number.

71630123231113 is a deficient number, since it is larger than the sum of its proper divisors (906710420727).

71630123231113 is an equidigital number, since it uses as much as digits as its factorization.

71630123231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906710420726.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 71630123231113 in words is "seventy-one trillion, six hundred thirty billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 79 906710420647 71630123231113