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30302130120 = 23352271112413
BaseRepresentation
bin11100001110001001…
…011100111111001000
32220012210210200222120
4130032021130333020
5444024321130440
621530503451240
72121625566453
oct341611347710
986183720876
1030302130120
111193a842949
125a58156b20
132b1bb5a612
14167661449a
15bc5408dd0
hex70e25cfc8

30302130120 has 64 divisors (see below), whose sum is σ = 91306941120. Its totient is φ = 8044963584.

The previous prime is 30302130109. The next prime is 30302130161. The reversal of 30302130120 is 2103120303.

It is a super-2 number, since 2×303021301202 (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30302130120.

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, 528967 + ... + 583446.

It is an arithmetic number, because the mean of its divisors is an integer number (1426670955).

Almost surely, 230302130120 is an apocalyptic number.

30302130120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30302130120 is an abundant number, since it is smaller than the sum of its proper divisors (61004811000).

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

30302130120 is a wasteful number, since it uses less digits than its factorization.

30302130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112654 (or 1112650 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30302130120 its reverse (2103120303), we get a palindrome (32405250423).

The spelling of 30302130120 in words is "thirty billion, three hundred two million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 227 454 681 908 1135 1362 1816 2270 2724 3405 4540 5448 6810 9080 13620 27240 1112413 2224826 3337239 4449652 5562065 6674478 8899304 11124130 13348956 16686195 22248260 26697912 33372390 44496520 66744780 133489560 252517751 505035502 757553253 1010071004 1262588755 1515106506 2020142008 2525177510 3030213012 3787766265 5050355020 6060426024 7575532530 10100710040 15151065060 30302130120