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30242343520 = 255189014647
BaseRepresentation
bin11100001010100101…
…011000101001100000
32220001122022020012001
4130022211120221200
5443414014443040
621520530213344
72120301451504
oct341245305140
986048266161
1030242343520
111190a018334
125a40124254
132b0c65682c
14166c6d0304
15bc004959a
hex70a958a60

30242343520 has 24 divisors (see below), whose sum is σ = 71447536944. Its totient is φ = 12096937344.

The previous prime is 30242343473. The next prime is 30242343559. The reversal of 30242343520 is 2534324203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94507164 + ... + 94507483.

It is an arithmetic number, because the mean of its divisors is an integer number (2976980706).

Almost surely, 230242343520 is an apocalyptic number.

It is an amenable number.

30242343520 is an abundant number, since it is smaller than the sum of its proper divisors (41205193424).

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

30242343520 is a wasteful number, since it uses less digits than its factorization.

30242343520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189014662 (or 189014654 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 30242343520 its reverse (2534324203), we get a palindrome (32776667723).

The spelling of 30242343520 in words is "thirty billion, two hundred forty-two million, three hundred forty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 189014647 378029294 756058588 945073235 1512117176 1890146470 3024234352 3780292940 6048468704 7560585880 15121171760 30242343520