Search a number
-
+
130756949450 = 2522615138989
BaseRepresentation
bin111100111000110111…
…0001011010111001010
3110111111200021021001122
41321301232023113022
54120242234340300
6140022515115242
712306164506031
oct1716156132712
9414450237048
10130756949450
11504a9986496
12214122a2b22
13c43a96350a
146485c29718
153604534c85
hex1e71b8b5ca

130756949450 has 12 divisors (see below), whose sum is σ = 243207926070. Its totient is φ = 52302779760.

The previous prime is 130756949447. The next prime is 130756949501. The reversal of 130756949450 is 54949657031.

It can be written as a sum of positive squares in 3 ways, for example, as 114452979481 + 16303969969 = 338309^2 + 127687^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130756949392 and 130756949401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1307569445 + ... + 1307569544.

Almost surely, 2130756949450 is an apocalyptic number.

130756949450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130756949450 is a deficient number, since it is larger than the sum of its proper divisors (112450976620).

130756949450 is a wasteful number, since it uses less digits than its factorization.

130756949450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615139001 (or 2615138996 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 130756949450 in words is "one hundred thirty billion, seven hundred fifty-six million, nine hundred forty-nine thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2615138989 5230277978 13075694945 26151389890 65378474725 130756949450