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30506008580 = 2254335472103
BaseRepresentation
bin11100011010010011…
…001100000000000100
32220202000102210122122
4130122103030000010
5444434014233310
622003025345112
72126652536345
oct343223140004
986660383578
1030506008580
1111a34934843
125ab4498198
132b52172068
1416957260cc
15bd827c555
hex71a4cc004

30506008580 has 24 divisors (see below), whose sum is σ = 65552448192. Its totient is φ = 11918626272.

The previous prime is 30506008579. The next prime is 30506008613. The reversal of 30506008580 is 8580060503.

It is a self number, because there is not a number n which added to its sum of digits gives 30506008580.

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, 17735192 + ... + 17736911.

It is an arithmetic number, because the mean of its divisors is an integer number (2731352008).

Almost surely, 230506008580 is an apocalyptic number.

It is an amenable number.

30506008580 is an abundant number, since it is smaller than the sum of its proper divisors (35046439612).

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

30506008580 is a wasteful number, since it uses less digits than its factorization.

30506008580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35472155 (or 35472153 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 30506008580 in words is "thirty billion, five hundred six million, eight thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 35472103 70944206 141888412 177360515 354721030 709442060 1525300429 3050600858 6101201716 7626502145 15253004290 30506008580