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130456163 = 831571761
BaseRepresentation
bin1111100011010…
…01101001100011
3100002110212012202
413301221221203
5231344044123
620540043415
73142600445
oct761515143
9302425182
10130456163
1167703712
123783356b
13210482c6
141347c495
15b6bda28
hex7c69a63

130456163 has 4 divisors (see below), whose sum is σ = 132028008. Its totient is φ = 128884320.

The previous prime is 130456133. The next prime is 130456171. The reversal of 130456163 is 361654031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361654031 = 1672165593.

It is a cyclic number.

It is not a de Polignac number, because 130456163 - 210 = 130455139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130456133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785798 + ... + 785963.

It is an arithmetic number, because the mean of its divisors is an integer number (33007002).

Almost surely, 2130456163 is an apocalyptic number.

130456163 is a deficient number, since it is larger than the sum of its proper divisors (1571845).

130456163 is an equidigital number, since it uses as much as digits as its factorization.

130456163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571844.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 130456163 is about 11421.7408042732. The cubic root of 130456163 is about 507.1715305162.

The spelling of 130456163 in words is "one hundred thirty million, four hundred fifty-six thousand, one hundred sixty-three".

Divisors: 1 83 1571761 130456163