Search a number
-
+
130009977 = 3214445553
BaseRepresentation
bin1111011111111…
…00101101111001
3100001122012011100
413233330231321
5231240304402
620522322013
73136031556
oct757745571
9301565140
10130009977
1167429469
1237659309
1320c201a6
14133a3a2d
15b63171c
hex7bfcb79

130009977 has 6 divisors (see below), whose sum is σ = 187792202. Its totient is φ = 86673312.

The previous prime is 130009933. The next prime is 130010009. The reversal of 130009977 is 779900031.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 54997056 = 8661^2 + 7416^2 .

It is not a de Polignac number, because 130009977 - 219 = 129485689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130004977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7222768 + ... + 7222785.

Almost surely, 2130009977 is an apocalyptic number.

It is an amenable number.

130009977 is a deficient number, since it is larger than the sum of its proper divisors (57782225).

130009977 is a wasteful number, since it uses less digits than its factorization.

130009977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14445559 (or 14445556 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 130009977 is about 11402.1917629901. The cubic root of 130009977 is about 506.5926609265.

The spelling of 130009977 in words is "one hundred thirty million, nine thousand, nine hundred seventy-seven".

Divisors: 1 3 9 14445553 43336659 130009977