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130006079 = 7148912473
BaseRepresentation
bin1111011111110…
…11110000111111
3100001121222210222
413233323300333
5231240143304
620522251555
73136014320
oct757736077
9301558728
10130006079
1167426545
1237656bbb
1320c1b498
14133a2447
15b6304be
hex7bfbc3f

130006079 has 8 divisors (see below), whose sum is σ = 148690080. Its totient is φ = 111350016.

The previous prime is 130006073. The next prime is 130006081. The reversal of 130006079 is 970600031.

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 a de Polignac number, because none of the positive numbers 2k-130006079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130006073) 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, 4187 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (18586260).

Almost surely, 2130006079 is an apocalyptic number.

130006079 is a deficient number, since it is larger than the sum of its proper divisors (18684001).

130006079 is a wasteful number, since it uses less digits than its factorization.

130006079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13969.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 130006079 is about 11402.0208296600. The cubic root of 130006079 is about 506.5875979358.

The spelling of 130006079 in words is "one hundred thirty million, six thousand, seventy-nine".

Divisors: 1 7 1489 10423 12473 87311 18572297 130006079