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30113120144 = 243779643883
BaseRepresentation
bin11100000010111000…
…011011111110010000
32212201122011000001002
4130002320123332100
5443132424321034
621500032401132
72114142204122
oct340270337620
985648130032
1030113120144
1111853086958
125a049a61a8
132abb9506b3
141659493212
15bb3a20e7e
hex702e1bf90

30113120144 has 40 divisors (see below), whose sum is σ = 60679628160. Its totient is φ = 14464165248.

The previous prime is 30113120143. The next prime is 30113120173. The reversal of 30113120144 is 44102131103.

It is not an unprimeable number, because it can be changed into a prime (30113120143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275174 + ... + 368709.

It is an arithmetic number, because the mean of its divisors is an integer number (1516990704).

Almost surely, 230113120144 is an apocalyptic number.

It is an amenable number.

30113120144 is an abundant number, since it is smaller than the sum of its proper divisors (30566508016).

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

30113120144 is a wasteful number, since it uses less digits than its factorization.

30113120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644007 (or 644001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30113120144 its reverse (44102131103), we get a palindrome (74215251247).

The spelling of 30113120144 in words is "thirty billion, one hundred thirteen million, one hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 37 74 79 148 158 296 316 592 632 1264 2923 5846 11692 23384 46768 643883 1287766 2575532 5151064 10302128 23823671 47647342 50866757 95294684 101733514 190589368 203467028 381178736 406934056 813868112 1882070009 3764140018 7528280036 15056560072 30113120144