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130132023 = 376792489
BaseRepresentation
bin1111100000110…
…10100000110111
3100001212101120120
413300122200313
5231303211043
620525103023
73140050440
oct760324067
9301771516
10130132023
116750212a
12376b7a73
1320c638c8
14133d62c7
15b657983
hex7c1a837

130132023 has 16 divisors (see below), whose sum is σ = 201258240. Its totient is φ = 73250496.

The previous prime is 130131949. The next prime is 130132027. The reversal of 130132023 is 320231031.

It is not a de Polignac number, because 130132023 - 29 = 130131511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130131993 and 130132011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130132027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44838 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (12578640).

Almost surely, 2130132023 is an apocalyptic number.

130132023 is a deficient number, since it is larger than the sum of its proper divisors (71126217).

130132023 is an equidigital number, since it uses as much as digits as its factorization.

130132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92566.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130132023 is about 11407.5423733598. The cubic root of 130132023 is about 506.7511315112.

Adding to 130132023 its reverse (320231031), we get a palindrome (450363054).

The spelling of 130132023 in words is "one hundred thirty million, one hundred thirty-two thousand, twenty-three".

Divisors: 1 3 7 21 67 201 469 1407 92489 277467 647423 1942269 6196763 18590289 43377341 130132023