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30120113130 = 2351187845833
BaseRepresentation
bin11100000011010011…
…000111001111101010
32212202010022021121120
4130003103013033222
5443141222110010
621500442320110
72114255510622
oct340323071752
985663267546
1030120113130
1111857022888
125a071b9036
132ac022b663
14165a393882
15bb4452e70
hex7034c73ea

30120113130 has 32 divisors (see below), whose sum is σ = 72349257024. Its totient is φ = 8025254016.

The previous prime is 30120113129. The next prime is 30120113161. The reversal of 30120113130 is 3131102103.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 387307 + ... + 458526.

It is an arithmetic number, because the mean of its divisors is an integer number (2260914282).

Almost surely, 230120113130 is an apocalyptic number.

30120113130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30120113130 is an abundant number, since it is smaller than the sum of its proper divisors (42229143894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30120113130 is a wasteful number, since it uses less digits than its factorization.

30120113130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847030.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30120113130 its reverse (3131102103), we get a palindrome (33251215233).

The spelling of 30120113130 in words is "thirty billion, one hundred twenty million, one hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1187 2374 3561 5935 7122 11870 17805 35610 845833 1691666 2537499 4229165 5074998 8458330 12687495 25374990 1004003771 2008007542 3012011313 5020018855 6024022626 10040037710 15060056565 30120113130