Search a number
-
+
130123310 = 2565319927
BaseRepresentation
bin1111100000110…
…00011000101110
3100001211221121212
413300120120232
5231302421220
620524554422
73140013152
oct760303056
9301757555
10130123310
11674a6629
12376b2a12
1320c5c955
14133d3062
15b6550c5
hex7c1862e

130123310 has 16 divisors (see below), whose sum is σ = 234592416. Its totient is φ = 51967008.

The previous prime is 130123291. The next prime is 130123369. The reversal of 130123310 is 13321031.

130123310 = T276 + T277 + ... + T928.

It is a super-2 number, since 2×1301233102 = 33864151610712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3434 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (14662026).

Almost surely, 2130123310 is an apocalyptic number.

130123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130123310 is a deficient number, since it is larger than the sum of its proper divisors (104469106).

130123310 is a wasteful number, since it uses less digits than its factorization.

130123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20587.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 130123310 is about 11407.1604705115. The cubic root of 130123310 is about 506.7398214046.

Adding to 130123310 its reverse (13321031), we get a palindrome (143444341).

The spelling of 130123310 in words is "one hundred thirty million, one hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 5 10 653 1306 3265 6530 19927 39854 99635 199270 13012331 26024662 65061655 130123310