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30140446284 = 22321324954051
BaseRepresentation
bin11100000100100000…
…101011011001001100
32212210112120022110100
4130010200223121030
5443211423240114
621502450211100
72114623365144
oct340440533114
985715508410
1030140446284
1111867550443
125a11b83a90
132ac44ca600
14165cd67924
15bb611c909
hex70482b64c

30140446284 has 54 divisors (see below), whose sum is σ = 82499827956. Its totient is φ = 9273981600.

The previous prime is 30140446283. The next prime is 30140446313. The reversal of 30140446284 is 48264404103.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30140446283) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2470942 + ... + 2483109.

Almost surely, 230140446284 is an apocalyptic number.

It is an amenable number.

30140446284 is an abundant number, since it is smaller than the sum of its proper divisors (52359381672).

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

30140446284 is a wasteful number, since it uses less digits than its factorization.

30140446284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954087 (or 4954069 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 30140446284 in words is "thirty billion, one hundred forty million, four hundred forty-six thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 169 234 338 468 507 676 1014 1521 2028 3042 6084 4954051 9908102 14862153 19816204 29724306 44586459 59448612 64402663 89172918 128805326 178345836 193207989 257610652 386415978 579623967 772831956 837234619 1159247934 1674469238 2318495868 2511703857 3348938476 5023407714 7535111571 10046815428 15070223142 30140446284