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30115193079 = 371141385883
BaseRepresentation
bin11100000011000000…
…010110000011110111
32212201210001022120110
4130003000112003313
5443133442134304
621500145034103
72114165626506
oct340300260367
985653038513
1030115193079
1111854272324
125a05625933
132abc1c809a
14165987283d
15bb3cd0289
hex7030160f7

30115193079 has 8 divisors (see below), whose sum is σ = 40719134592. Its totient is φ = 19794023480.

The previous prime is 30115193063. The next prime is 30115193081. The reversal of 30115193079 is 97039151103.

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 30115193079 - 24 = 30115193063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30115113079) 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, 70692729 + ... + 70693154.

It is an arithmetic number, because the mean of its divisors is an integer number (5089891824).

Almost surely, 230115193079 is an apocalyptic number.

30115193079 is a deficient number, since it is larger than the sum of its proper divisors (10603941513).

30115193079 is a wasteful number, since it uses less digits than its factorization.

30115193079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141385957.

The product of its (nonzero) digits is 25515, while the sum is 39.

The spelling of 30115193079 in words is "thirty billion, one hundred fifteen million, one hundred ninety-three thousand, seventy-nine".

Divisors: 1 3 71 213 141385883 424157649 10038397693 30115193079