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130377283 = 137951659
BaseRepresentation
bin1111100010101…
…10011001000011
3100002022212000021
413301112121003
5231334033113
620534234311
73142121461
oct761263103
9302285007
10130377283
116765a423
12377b5997
132101b42a
141345b831
15b6a548d
hex7c56643

130377283 has 4 divisors (see below), whose sum is σ = 131329080. Its totient is φ = 129425488.

The previous prime is 130377281. The next prime is 130377329. The reversal of 130377283 is 382773031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382773031 = 1920145949.

It is a cyclic number.

It is not a de Polignac number, because 130377283 - 21 = 130377281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130377281) 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, 475693 + ... + 475966.

It is an arithmetic number, because the mean of its divisors is an integer number (32832270).

Almost surely, 2130377283 is an apocalyptic number.

130377283 is a deficient number, since it is larger than the sum of its proper divisors (951797).

130377283 is an equidigital number, since it uses as much as digits as its factorization.

130377283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951796.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 130377283 is about 11418.2872183178. The cubic root of 130377283 is about 507.0692898983.

The spelling of 130377283 in words is "one hundred thirty million, three hundred seventy-seven thousand, two hundred eighty-three".

Divisors: 1 137 951659 130377283