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130015477 is a prime number
BaseRepresentation
bin1111011111111…
…10000011110101
3100001122110201001
413233332003311
5231240443402
620522403301
73136053604
oct757760365
9301573631
10130015477
1167432609
1237660531
1320c22847
14133a5a3b
15b633187
hex7bfe0f5

130015477 has 2 divisors, whose sum is σ = 130015478. Its totient is φ = 130015476.

The previous prime is 130015471. The next prime is 130015517. The reversal of 130015477 is 774510031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124567921 + 5447556 = 11161^2 + 2334^2 .

It is a cyclic number.

It is not a de Polignac number, because 130015477 - 27 = 130015349 is a prime.

It is equal to p7379020 and since 130015477 and 7379020 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130015471) 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 as a sum of consecutive naturals, namely, 65007738 + 65007739.

It is an arithmetic number, because the mean of its divisors is an integer number (65007739).

Almost surely, 2130015477 is an apocalyptic number.

It is an amenable number.

130015477 is a deficient number, since it is larger than the sum of its proper divisors (1).

130015477 is an equidigital number, since it uses as much as digits as its factorization.

130015477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 130015477 is about 11402.4329421400. The cubic root of 130015477 is about 506.5998045330.

The spelling of 130015477 in words is "one hundred thirty million, fifteen thousand, four hundred seventy-seven".