Search a number
-
+
130237683 = 343412561
BaseRepresentation
bin1111100001101…
…00010011110011
3100002001202111220
413300310103303
5231320101213
620531240123
73141000462
oct760642363
9302052456
10130237683
1167574554
1237749043
1320c9ca24
14134229d9
15b678e23
hex7c344f3

130237683 has 4 divisors (see below), whose sum is σ = 173650248. Its totient is φ = 86825120.

The previous prime is 130237673. The next prime is 130237703. The reversal of 130237683 is 386732031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130237683 - 26 = 130237619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130237673) 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, 21706278 + ... + 21706283.

It is an arithmetic number, because the mean of its divisors is an integer number (43412562).

Almost surely, 2130237683 is an apocalyptic number.

130237683 is a deficient number, since it is larger than the sum of its proper divisors (43412565).

130237683 is an equidigital number, since it uses as much as digits as its factorization.

130237683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43412564.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 130237683 is about 11412.1725801882. The cubic root of 130237683 is about 506.8882456984. Note that the first 3 decimals are identical.

It can be divided in two parts, 13023 and 7683, that added together give a triangular number (20706 = T203).

The spelling of 130237683 in words is "one hundred thirty million, two hundred thirty-seven thousand, six hundred eighty-three".

Divisors: 1 3 43412561 130237683