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130025255 = 526005051
BaseRepresentation
bin1111100000000…
…00011100100111
3100001122222010012
413300000130213
5231241302010
620522520435
73136124243
oct760003447
9301588105
10130025255
1167439998
123766611b
1320c27129
14133a9423
15b636005
hex7c00727

130025255 has 4 divisors (see below), whose sum is σ = 156030312. Its totient is φ = 104020200.

The previous prime is 130025239. The next prime is 130025317. The reversal of 130025255 is 552520031.

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

It is not a de Polignac number, because 130025255 - 24 = 130025239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130025255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13002521 + ... + 13002530.

It is an arithmetic number, because the mean of its divisors is an integer number (39007578).

Almost surely, 2130025255 is an apocalyptic number.

130025255 is a deficient number, since it is larger than the sum of its proper divisors (26005057).

130025255 is an equidigital number, since it uses as much as digits as its factorization.

130025255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005056.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 130025255 is about 11402.8617022219. The cubic root of 130025255 is about 506.6125040690.

Adding to 130025255 its reverse (552520031), we get a palindrome (682545286).

The spelling of 130025255 in words is "one hundred thirty million, twenty-five thousand, two hundred fifty-five".

Divisors: 1 5 26005051 130025255