Base | Representation |
---|---|
bin | 11100110001110000… |
… | …011001011110000010 |
3 | 2221202102221100212102 |
4 | 130301300121132002 |
5 | 1001240240320030 |
6 | 22110044230402 |
7 | 2142501525650 |
oct | 346160313602 |
9 | 87672840772 |
10 | 30899541890 |
11 | 12116a93188 |
12 | 5ba423b402 |
13 | 2bb585b0c9 |
14 | 16d1ac5dd0 |
15 | c0cab4c45 |
hex | 731c19782 |
30899541890 has 16 divisors (see below), whose sum is σ = 63564772032. Its totient is φ = 10594128624.
The previous prime is 30899541877. The next prime is 30899541917. The reversal of 30899541890 is 9814599803.
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, 220710944 + ... + 220711083.
It is an arithmetic number, because the mean of its divisors is an integer number (3972798252).
Almost surely, 230899541890 is an apocalyptic number.
30899541890 is an abundant number, since it is smaller than the sum of its proper divisors (32665230142).
30899541890 is a wasteful number, since it uses less digits than its factorization.
30899541890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441422041.
The product of its (nonzero) digits is 2799360, while the sum is 56.
The spelling of 30899541890 in words is "thirty billion, eight hundred ninety-nine million, five hundred forty-one thousand, eight hundred ninety".
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