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30379309360 = 245409928463
BaseRepresentation
bin11100010010101111…
…110111100100110000
32220102012000210222221
4130102233313210300
5444204100344420
621542302010424
72123553604021
oct342257674460
986365023887
1030379309360
111197a367844
125a79b76a14
132b31b40aca
141682984c48
15bcc0a1caa
hex712bf7930

30379309360 has 40 divisors (see below), whose sum is σ = 70804664640. Its totient is φ = 12121999872.

The previous prime is 30379309327. The next prime is 30379309393. The reversal of 30379309360 is 6390397303.

It is an interprime number because it is at equal distance from previous prime (30379309327) and next prime (30379309393).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431512 + ... + 496951.

It is an arithmetic number, because the mean of its divisors is an integer number (1770116616).

Almost surely, 230379309360 is an apocalyptic number.

It is an amenable number.

30379309360 is an abundant number, since it is smaller than the sum of its proper divisors (40425355280).

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

30379309360 is a wasteful number, since it uses less digits than its factorization.

30379309360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928885 (or 928879 counting only the distinct ones).

The product of its (nonzero) digits is 275562, while the sum is 43.

The spelling of 30379309360 in words is "thirty billion, three hundred seventy-nine million, three hundred nine thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 409 818 1636 2045 3272 4090 6544 8180 16360 32720 928463 1856926 3713852 4642315 7427704 9284630 14855408 18569260 37138520 74277040 379741367 759482734 1518965468 1898706835 3037930936 3797413670 6075861872 7594827340 15189654680 30379309360