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30301244120 = 2357971115657
BaseRepresentation
bin11100001110000110…
…000100101011011000
32220012202010200121202
4130032012010223120
5444024104302440
621530432453332
72121615216410
oct341606045330
986182120552
1030301244120
111193a298214
125a579aa248
132b1b90a264
141676463640
15bc52d1615
hex70e184ad8

30301244120 has 64 divisors (see below), whose sum is σ = 78720828480. Its totient is φ = 10281885696.

The previous prime is 30301244107. The next prime is 30301244161. The reversal of 30301244120 is 2144210303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30301244092 and 30301244101.

It is a congruent number.

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, 530669 + ... + 584988.

It is an arithmetic number, because the mean of its divisors is an integer number (1230012945).

Almost surely, 230301244120 is an apocalyptic number.

It is an amenable number.

30301244120 is an abundant number, since it is smaller than the sum of its proper divisors (48419584360).

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

30301244120 is a wasteful number, since it uses less digits than its factorization.

30301244120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115772 (or 1115768 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30301244120 its reverse (2144210303), we get a palindrome (32445454423).

The spelling of 30301244120 in words is "thirty billion, three hundred one million, two hundred forty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 97 140 194 280 388 485 679 776 970 1358 1940 2716 3395 3880 5432 6790 13580 27160 1115657 2231314 4462628 5578285 7809599 8925256 11156570 15619198 22313140 31238396 39047995 44626280 62476792 78095990 108218729 156191980 216437458 312383960 432874916 541093645 757531103 865749832 1082187290 1515062206 2164374580 3030124412 3787655515 4328749160 6060248824 7575311030 15150622060 30301244120