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30079869240 = 2335250665577
BaseRepresentation
bin11100000000111001…
…100110000100111000
32212122022120200101010
4130000321212010320
5443100421303430
621452443553520
72113256445531
oct340071460470
985568520333
1030079869240
1111836335a73
1259b582b8a0
132ab4aaaac5
141654cb9688
15bb0b53cb0
hex700e66138

30079869240 has 32 divisors (see below), whose sum is σ = 90239608080. Its totient is φ = 8021298432.

The previous prime is 30079869221. The next prime is 30079869257. The reversal of 30079869240 is 4296897003.

It is a self number, because there is not a number n which added to its sum of digits gives 30079869240.

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, 125332669 + ... + 125332908.

Almost surely, 230079869240 is an apocalyptic number.

30079869240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30079869240 is an abundant number, since it is smaller than the sum of its proper divisors (60159738840).

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

30079869240 is a wasteful number, since it uses less digits than its factorization.

30079869240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250665591 (or 250665587 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 30079869240 in words is "thirty billion, seventy-nine million, eight hundred sixty-nine thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 250665577 501331154 751996731 1002662308 1253327885 1503993462 2005324616 2506655770 3007986924 3759983655 5013311540 6015973848 7519967310 10026623080 15039934620 30079869240