[go: up one dir, main page]

Search a number
-
+
130025311 = 1330193313
BaseRepresentation
bin1111100000000…
…00011101011111
3100001122222012021
413300000131133
5231241302221
620522521011
73136124353
oct760003537
9301588167
10130025311
1167439a39
1237666167
1320c27170
14133a9463
15b636041
hex7c0075f

130025311 has 8 divisors (see below), whose sum is σ = 140115920. Its totient is φ = 119947392.

The previous prime is 130025239. The next prime is 130025317. The reversal of 130025311 is 113520031.

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 130025311 - 213 = 130017119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130025317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37591 + ... + 40903.

It is an arithmetic number, because the mean of its divisors is an integer number (17514490).

Almost surely, 2130025311 is an apocalyptic number.

130025311 is a deficient number, since it is larger than the sum of its proper divisors (10090609).

130025311 is a wasteful number, since it uses less digits than its factorization.

130025311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 130025311 is about 11402.8641577456. The cubic root of 130025311 is about 506.6125767993.

Adding to 130025311 its reverse (113520031), we get a palindrome (243545342).

The spelling of 130025311 in words is "one hundred thirty million, twenty-five thousand, three hundred eleven".

Divisors: 1 13 3019 3313 39247 43069 10001947 130025311