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30120010115 = 513934349597
BaseRepresentation
bin11100000011010010…
…101110000110000011
32212202010010001022012
4130003102232012003
5443141210310430
621500440203135
72114254601366
oct340322560603
985663101265
1030120010115
1111856a62448
125a071694ab
132ac01c37c0
14165a3680dd
15bb4432695
hex7034ae183

30120010115 has 16 divisors (see below), whose sum is σ = 38929271808. Its totient is φ = 22239639936.

The previous prime is 30120010097. The next prime is 30120010147. The reversal of 30120010115 is 51101002103.

It is a cyclic number.

It is not a de Polignac number, because 30120010115 - 232 = 25825042819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30120010115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582497 + ... + 632093.

It is an arithmetic number, because the mean of its divisors is an integer number (2433079488).

Almost surely, 230120010115 is an apocalyptic number.

30120010115 is a deficient number, since it is larger than the sum of its proper divisors (8809261693).

30120010115 is a wasteful number, since it uses less digits than its factorization.

30120010115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58958.

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 30120010115 its reverse (51101002103), we get a palindrome (81221012218).

The spelling of 30120010115 in words is "thirty billion, one hundred twenty million, ten thousand, one hundred fifteen".

Divisors: 1 5 13 65 9343 46715 49597 121459 247985 607295 644761 3223805 463384771 2316923855 6024002023 30120010115