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130321232123 = 1928920112017
BaseRepresentation
bin111100101011111000…
…0000011000011111011
3110110101022101112020212
41321113300003003323
54113344213411443
6135511352141335
712262324124105
oct1712760030373
9413338345225
10130321232123
11502a5a35625
122131039784b
13c39b5c7804
146444008575
1535cb168618
hex1e57c030fb

130321232123 has 24 divisors (see below), whose sum is σ = 139224806640. Its totient is φ = 121953807360.

The previous prime is 130321232113. The next prime is 130321232219. The reversal of 130321232123 is 321232123031.

It is not a de Polignac number, because 130321232123 - 228 = 130052796667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130321232113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64610411 + ... + 64612427.

It is an arithmetic number, because the mean of its divisors is an integer number (5801033610).

Almost surely, 2130321232123 is an apocalyptic number.

130321232123 is a deficient number, since it is larger than the sum of its proper divisors (8903574517).

130321232123 is a wasteful number, since it uses less digits than its factorization.

130321232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 130321232123 its reverse (321232123031), we get a palindrome (451553355154).

The spelling of 130321232123 in words is "one hundred thirty billion, three hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 19 89 361 1691 2011 2017 32129 38209 38323 178979 179513 725971 728137 3400601 3410747 4056187 64611419 64804193 77067553 361000643 1464283507 6859012217 130321232123