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130170661 = 2833171451
BaseRepresentation
bin1111100001000…
…11111100100101
3100001221100120121
413300203330211
5231310430121
620530001541
73140301205
oct760437445
9301840517
10130170661
1167529165
12377162b1
1320c7837a
1413406405
15b664141
hex7c23f25

130170661 has 8 divisors (see below), whose sum is σ = 131133024. Its totient is φ = 129212400.

The previous prime is 130170629. The next prime is 130170671. The reversal of 130170661 is 166071031.

It is a happy number.

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 130170661 - 25 = 130170629 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 (130170611) 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, 88986 + ... + 90436.

It is an arithmetic number, because the mean of its divisors is an integer number (16391628).

Almost surely, 2130170661 is an apocalyptic number.

It is an amenable number.

130170661 is a deficient number, since it is larger than the sum of its proper divisors (962363).

130170661 is a wasteful number, since it uses less digits than its factorization.

130170661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 130170661 is about 11409.2357763349. The cubic root of 130170661 is about 506.8012803581.

The spelling of 130170661 in words is "one hundred thirty million, one hundred seventy thousand, six hundred sixty-one".

Divisors: 1 283 317 1451 89711 410633 459967 130170661