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30224255180 = 2257421512797
BaseRepresentation
bin11100001001100000…
…011000100011001100
32220000101021020122112
4130021200120203030
5443344402131210
621515042403152
72116661634020
oct341140304314
986011236575
1030224255180
11118aa893299
125a360604b8
132b08992582
14166a142380
15bbd674d05
hex7098188cc

30224255180 has 48 divisors (see below), whose sum is σ = 72710654016. Its totient is φ = 10337967360.

The previous prime is 30224255179. The next prime is 30224255183. The reversal of 30224255180 is 8155242203.

It is not an unprimeable number, because it can be changed into a prime (30224255183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197459 + ... + 315338.

It is an arithmetic number, because the mean of its divisors is an integer number (1514805292).

Almost surely, 230224255180 is an apocalyptic number.

It is an amenable number.

30224255180 is an abundant number, since it is smaller than the sum of its proper divisors (42486398836).

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

30224255180 is a wasteful number, since it uses less digits than its factorization.

30224255180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513234 (or 513232 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 30224255180 its reverse (8155242203), we get a palindrome (38379497383).

The spelling of 30224255180 in words is "thirty billion, two hundred twenty-four million, two hundred fifty-five thousand, one hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 421 842 1684 2105 2947 4210 5894 8420 11788 14735 29470 58940 512797 1025594 2051188 2563985 3589579 5127970 7179158 10255940 14358316 17947895 35895790 71791580 215887537 431775074 863550148 1079437685 1511212759 2158875370 3022425518 4317750740 6044851036 7556063795 15112127590 30224255180