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667930130 = 25730113169
BaseRepresentation
bin100111110011111…
…100111000010010
31201112211100212222
4213303330320102
52331442231010
6150140021042
722360212110
oct4763747022
91645740788
10667930130
1131303587a
12167831782
13a84c123a
14649caab0
153d98a355
hex27cfce12

667930130 has 32 divisors (see below), whose sum is σ = 1374917760. Its totient is φ = 228856320.

The previous prime is 667930121. The next prime is 667930141. The reversal of 667930130 is 31039766.

It is a super-2 number, since 2×6679301302 = 892261317123633800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209186 + ... + 212354.

It is an arithmetic number, because the mean of its divisors is an integer number (42966180).

Almost surely, 2667930130 is an apocalyptic number.

667930130 is an abundant number, since it is smaller than the sum of its proper divisors (706987630).

667930130 is a wasteful number, since it uses less digits than its factorization.

667930130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 667930130 is about 25844.3442555620. The cubic root of 667930130 is about 874.1319849131.

Adding to 667930130 its reverse (31039766), we get a palindrome (698969896).

The spelling of 667930130 in words is "six hundred sixty-seven million, nine hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 3011 3169 6022 6338 15055 15845 21077 22183 30110 31690 42154 44366 105385 110915 210770 221830 9541859 19083718 47709295 66793013 95418590 133586026 333965065 667930130