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130045477 is a prime number
BaseRepresentation
bin1111100000001…
…01011000100101
3100001200222212011
413300011120211
5231242423402
620523154221
73136240222
oct760053045
9301628764
10130045477
1167453101
1237675971
1320c333b3
14133b2949
15b63bed7
hex7c05625

130045477 has 2 divisors, whose sum is σ = 130045478. Its totient is φ = 130045476.

The previous prime is 130045471. The next prime is 130045549. The reversal of 130045477 is 774540031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116510436 + 13535041 = 10794^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 130045477 - 223 = 121656869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130045471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65022738 + 65022739.

It is an arithmetic number, because the mean of its divisors is an integer number (65022739).

Almost surely, 2130045477 is an apocalyptic number.

It is an amenable number.

130045477 is a deficient number, since it is larger than the sum of its proper divisors (1).

130045477 is an equidigital number, since it uses as much as digits as its factorization.

130045477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 130045477 is about 11403.7483749862. The cubic root of 130045477 is about 506.6387661133.

It can be divided in two parts, 13004 and 5477, that added together give a palindrome (18481).

The spelling of 130045477 in words is "one hundred thirty million, forty-five thousand, four hundred seventy-seven".