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130152423 = 3231886267
BaseRepresentation
bin1111100000111…
…11011111100111
3100001220102120010
413300133133213
5231304334143
620525341303
73140164062
oct760373747
9301812503
10130152423
1167516495
1237707833
1320c6cc8b
14133dd8d9
15b65da33
hex7c1f7e7

130152423 has 8 divisors (see below), whose sum is σ = 181081728. Its totient is φ = 82995704.

The previous prime is 130152419. The next prime is 130152457. The reversal of 130152423 is 324251031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130152423 - 22 = 130152419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130152423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130152023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943065 + ... + 943202.

It is an arithmetic number, because the mean of its divisors is an integer number (22635216).

Almost surely, 2130152423 is an apocalyptic number.

130152423 is a deficient number, since it is larger than the sum of its proper divisors (50929305).

130152423 is a wasteful number, since it uses less digits than its factorization.

130152423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886293.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130152423 is about 11408.4364835853. The cubic root of 130152423 is about 506.7776102177. Note that the first 3 decimals are identical.

The spelling of 130152423 in words is "one hundred thirty million, one hundred fifty-two thousand, four hundred twenty-three".

Divisors: 1 3 23 69 1886267 5658801 43384141 130152423