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130165990 = 2513016599
BaseRepresentation
bin1111100001000…
…10110011100110
3100001221010011121
413300202303212
5231310302430
620525524154
73140251453
oct760426346
9301833147
10130165990
11675256a9
123771365a
1320c761c6
141340482a
15b662a7a
hex7c22ce6

130165990 has 8 divisors (see below), whose sum is σ = 234298800. Its totient is φ = 52066392.

The previous prime is 130165961. The next prime is 130165999. The reversal of 130165990 is 99561031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130165999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508290 + ... + 6508309.

It is an arithmetic number, because the mean of its divisors is an integer number (29287350).

Almost surely, 2130165990 is an apocalyptic number.

130165990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130165990 is a deficient number, since it is larger than the sum of its proper divisors (104132810).

130165990 is a wasteful number, since it uses less digits than its factorization.

130165990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016606.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 130165990 is about 11409.0310719184. The cubic root of 130165990 is about 506.7952183237.

The spelling of 130165990 in words is "one hundred thirty million, one hundred sixty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 13016599 26033198 65082995 130165990