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130883077 = 131921672
BaseRepresentation
bin1111100110100…
…01111000000101
3100010021112211101
413303101320011
5232001224302
620553140101
73146326213
oct763217005
9303245741
10130883077
1167975436
12379ba631
1321167710
141354dcb3
15b755287
hex7cd1e05

130883077 has 18 divisors (see below), whose sum is σ = 149656038. Its totient is φ = 113771088.

The previous prime is 130883047. The next prime is 130883101. The reversal of 130883077 is 770388031.

It can be written as a sum of positive squares in only one way, i.e., 90611361 + 40271716 = 9519^2 + 6346^2 .

It is not a de Polignac number, because 130883077 - 211 = 130881029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130883047) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 783648 + ... + 783814.

Almost surely, 2130883077 is an apocalyptic number.

It is an amenable number.

130883077 is a deficient number, since it is larger than the sum of its proper divisors (18772961).

130883077 is an equidigital number, since it uses as much as digits as its factorization.

130883077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 130883077 is about 11440.4141970472. The cubic root of 130883077 is about 507.7241628249.

The spelling of 130883077 in words is "one hundred thirty million, eight hundred eighty-three thousand, seventy-seven".

Divisors: 1 13 19 167 247 361 2171 3173 4693 27889 41249 60287 362557 529891 783731 6888583 10067929 130883077