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130932869 is a prime number
BaseRepresentation
bin1111100110111…
…10000010000101
3100010101002010112
413303132002011
5232004322434
620554202405
73146624324
oct763360205
9303332115
10130932869
11679a9891
1237a23405
1321184292
14135640bb
15b764dce
hex7cde085

130932869 has 2 divisors, whose sum is σ = 130932870. Its totient is φ = 130932868.

The previous prime is 130932839. The next prime is 130932877. The reversal of 130932869 is 968239031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 744769 = 11410^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 130932869 - 212 = 130928773 is a prime.

It is a super-2 number, since 2×1309328692 = 34286832369142322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130932839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65466434 + 65466435.

It is an arithmetic number, because the mean of its divisors is an integer number (65466435).

Almost surely, 2130932869 is an apocalyptic number.

It is an amenable number.

130932869 is a deficient number, since it is larger than the sum of its proper divisors (1).

130932869 is an equidigital number, since it uses as much as digits as its factorization.

130932869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 130932869 is about 11442.5901351049. The cubic root of 130932869 is about 507.7885393583.

The spelling of 130932869 in words is "one hundred thirty million, nine hundred thirty-two thousand, eight hundred sixty-nine".