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30840307000 = 235330840307
BaseRepresentation
bin11100101110001110…
…011011110100111000
32221121022110220212121
4130232032123310320
51001130104311000
622100130451024
72141152166326
oct345616336470
987538426777
1030840307000
1112096605128
125b88433a74
132ba64bb489
1416c7ca6d16
15c077b3b1a
hex72e39bd38

30840307000 has 32 divisors (see below), whose sum is σ = 72166320720. Its totient is φ = 12336122400.

The previous prime is 30840306997. The next prime is 30840307033. The reversal of 30840307000 is 70304803.

It is a super-2 number, since 2×308403070002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 15419154 + ... + 15421153.

Almost surely, 230840307000 is an apocalyptic number.

It is an amenable number.

30840307000 is an abundant number, since it is smaller than the sum of its proper divisors (41326013720).

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

30840307000 is a wasteful number, since it uses less digits than its factorization.

30840307000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30840328 (or 30840314 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 30840307000 in words is "thirty billion, eight hundred forty million, three hundred seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 30840307 61680614 123361228 154201535 246722456 308403070 616806140 771007675 1233612280 1542015350 3084030700 3855038375 6168061400 7710076750 15420153500 30840307000