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130608903 = 3411139397
BaseRepresentation
bin1111100100011…
…10111100000111
3100002202121201210
413302032330013
5231413441103
620543222503
73144104655
oct762167407
9302677653
10130608903
11677a8447
12378a7a33
132109c999
14134bbdd5
15b6ede03
hex7c8ef07

130608903 has 16 divisors (see below), whose sum is σ = 179990496. Its totient is φ = 84188160.

The previous prime is 130608887. The next prime is 130608913. The reversal of 130608903 is 309806031.

It is not a de Polignac number, because 130608903 - 24 = 130608887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130608913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9201 + ... + 18597.

It is an arithmetic number, because the mean of its divisors is an integer number (11249406).

Almost surely, 2130608903 is an apocalyptic number.

130608903 is a deficient number, since it is larger than the sum of its proper divisors (49381593).

130608903 is a wasteful number, since it uses less digits than its factorization.

130608903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 130608903 is about 11428.4252196005. The cubic root of 130608903 is about 507.3693879546.

The spelling of 130608903 in words is "one hundred thirty million, six hundred eight thousand, nine hundred three".

Divisors: 1 3 41 113 123 339 4633 9397 13899 28191 385277 1061861 1155831 3185583 43536301 130608903