Base | Representation |
---|---|
bin | 11100111000001000… |
… | …001111000100100010 |
3 | 2222000220010001210001 |
4 | 130320020033010202 |
5 | 1002000123012200 |
6 | 22124423530214 |
7 | 2145240340135 |
oct | 347010170442 |
9 | 88026101701 |
10 | 31006454050 |
11 | 12171375940 |
12 | 6013bb996a |
13 | 2c01a51b40 |
14 | 1701d9621c |
15 | c1718276a |
hex | 73820f122 |
31006454050 has 48 divisors (see below), whose sum is σ = 67754538432. Its totient is φ = 10407758400.
The previous prime is 31006454033. The next prime is 31006454081. The reversal of 31006454050 is 5045460013.
It is a super-2 number, since 2×310064540502 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2161134 + ... + 2175433.
It is an arithmetic number, because the mean of its divisors is an integer number (1411552884).
Almost surely, 231006454050 is an apocalyptic number.
31006454050 is an abundant number, since it is smaller than the sum of its proper divisors (36748084382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31006454050 is a wasteful number, since it uses less digits than its factorization.
31006454050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4336603 (or 4336598 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
The spelling of 31006454050 in words is "thirty-one billion, six million, four hundred fifty-four thousand, fifty".
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