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30505155002 = 272178939643
BaseRepresentation
bin11100011010001111…
…111011100110111010
32220201221211102202122
4130122033323212322
5444433304430002
622002555201242
72126642352650
oct343217734672
986657742678
1030505155002
1111a34401503
125ab4146222
132b51c3369a
141695582dd0
15bd815e6a2
hex71a3fb9ba

30505155002 has 8 divisors (see below), whose sum is σ = 52294551456. Its totient is φ = 13073637852.

The previous prime is 30505154989. The next prime is 30505155053. The reversal of 30505155002 is 20055150503.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1089469808 + ... + 1089469835.

It is an arithmetic number, because the mean of its divisors is an integer number (6536818932).

Almost surely, 230505155002 is an apocalyptic number.

30505155002 is a deficient number, since it is larger than the sum of its proper divisors (21789396454).

30505155002 is a wasteful number, since it uses less digits than its factorization.

30505155002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178939652.

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 30505155002 in words is "thirty billion, five hundred five million, one hundred fifty-five thousand, two".

Divisors: 1 2 7 14 2178939643 4357879286 15252577501 30505155002