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30259814872 = 237577993503
BaseRepresentation
bin11100001011101000…
…000010000111011000
32220002212011212101011
4130023220002013120
5443433003033442
621522352503304
72120603116420
oct341350020730
986085155334
1030259814872
1111918970871
125a45b4ab34
132b13163001
141670b5b480
15bc184b117
hex70ba021d8

30259814872 has 32 divisors (see below), whose sum is σ = 64854374400. Its totient is φ = 12966109344.

The previous prime is 30259814863. The next prime is 30259814917. The reversal of 30259814872 is 27841895203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276873 + ... + 370375.

It is an arithmetic number, because the mean of its divisors is an integer number (2026699200).

Almost surely, 230259814872 is an apocalyptic number.

It is an amenable number.

30259814872 is an abundant number, since it is smaller than the sum of its proper divisors (34594559528).

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

30259814872 is a wasteful number, since it uses less digits than its factorization.

30259814872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99295 (or 99291 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 30259814872 in words is "thirty billion, two hundred fifty-nine million, eight hundred fourteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 5779 11558 23116 40453 46232 80906 93503 161812 187006 323624 374012 654521 748024 1309042 2618084 5236168 540353837 1080707674 2161415348 3782476859 4322830696 7564953718 15129907436 30259814872