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30256180256 = 254188725999
BaseRepresentation
bin11100001011011010…
…001010110000100000
32220002121100012121202
4130023122022300200
5443431040232011
621522142540332
72120530201031
oct341332126040
986077305552
1030256180256
1111916909055
125a448976a8
132b1248c853
141670492a88
15bc137e23b
hex70b68ac20

30256180256 has 48 divisors (see below), whose sum is σ = 61090848000. Its totient is φ = 14741905920.

The previous prime is 30256180243. The next prime is 30256180289. The reversal of 30256180256 is 65208165203.

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, 1150745 + ... + 1176743.

It is an arithmetic number, because the mean of its divisors is an integer number (1272726000).

Almost surely, 230256180256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30256180256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30545424000).

30256180256 is an abundant number, since it is smaller than the sum of its proper divisors (30834667744).

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

30256180256 is a wasteful number, since it uses less digits than its factorization.

30256180256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26937 (or 26929 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 30256180256 in words is "thirty billion, two hundred fifty-six million, one hundred eighty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 887 1312 1774 3548 7096 14192 25999 28384 36367 51998 72734 103996 145468 207992 290936 415984 581872 831968 1065959 1163744 2131918 4263836 8527672 17055344 23061113 34110688 46122226 92244452 184488904 368977808 737955616 945505633 1891011266 3782022532 7564045064 15128090128 30256180256