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130608902 = 271919781
BaseRepresentation
bin1111100100011…
…10111100000110
3100002202121201202
413302032330012
5231413441102
620543222502
73144104654
oct762167406
9302677652
10130608902
11677a8446
12378a7a32
132109c998
14134bbdd4
15b6ede02
hex7c8ef06

130608902 has 8 divisors (see below), whose sum is σ = 198672912. Its totient is φ = 64384600.

The previous prime is 130608887. The next prime is 130608913. The reversal of 130608902 is 209806031.

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

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, 459749 + ... + 460032.

It is an arithmetic number, because the mean of its divisors is an integer number (24834114).

Almost surely, 2130608902 is an apocalyptic number.

130608902 is a deficient number, since it is larger than the sum of its proper divisors (68064010).

130608902 is an equidigital number, since it uses as much as digits as its factorization.

130608902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919854.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 130608902 is about 11428.4251758499. The cubic root of 130608902 is about 507.3693866597.

The spelling of 130608902 in words is "one hundred thirty million, six hundred eight thousand, nine hundred two".

Divisors: 1 2 71 142 919781 1839562 65304451 130608902