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30120311199 = 311953957751
BaseRepresentation
bin11100000011010011…
…110111100110011111
32212202010200100022110
4130003103313212133
5443141244424244
621500450445103
72114260264236
oct340323674637
985663610273
1030120311199
1111857148680
125a07293793
132ac029a864
14165a405b1d
15bb44919b9
hex7034f799f

30120311199 has 16 divisors (see below), whose sum is σ = 43857379584. Its totient is φ = 18235560000.

The previous prime is 30120311167. The next prime is 30120311201. The reversal of 30120311199 is 99111302103.

It is a happy number.

It is not a de Polignac number, because 30120311199 - 25 = 30120311167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120311129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447427 + ... + 510324.

It is an arithmetic number, because the mean of its divisors is an integer number (2741086224).

Almost surely, 230120311199 is an apocalyptic number.

30120311199 is a deficient number, since it is larger than the sum of its proper divisors (13737068385).

30120311199 is a wasteful number, since it uses less digits than its factorization.

30120311199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958718.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 30120311199 in words is "thirty billion, one hundred twenty million, three hundred eleven thousand, one hundred ninety-nine".

Divisors: 1 3 11 33 953 2859 10483 31449 957751 2873253 10535261 31605783 912736703 2738210109 10040103733 30120311199