Base | Representation |
---|---|
bin | 111001000110000111… |
… | …011100110001100100 |
3 | 12212020111212101221210 |
4 | 321012013130301210 |
5 | 2001023302301012 |
6 | 44055154111420 |
7 | 4300134360501 |
oct | 710607346144 |
9 | 185214771853 |
10 | 61305900132 |
11 | 23aaa645174 |
12 | ba6b27b570 |
13 | 5a2017c869 |
14 | 2d780ac4a8 |
15 | 18dc20b23c |
hex | e461dcc64 |
61305900132 has 24 divisors (see below), whose sum is σ = 143118077536. Its totient is φ = 20425160448.
The previous prime is 61305900119. The next prime is 61305900151. The reversal of 61305900132 is 23100950316.
It is a self number, because there is not a number n which added to its sum of digits gives 61305900132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242238 + ... + 1290645.
Almost surely, 261305900132 is an apocalyptic number.
It is an amenable number.
61305900132 is an abundant number, since it is smaller than the sum of its proper divisors (81812177404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61305900132 is a wasteful number, since it uses less digits than its factorization.
61305900132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2534907 (or 2534905 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 30.
The spelling of 61305900132 in words is "sixty-one billion, three hundred five million, nine hundred thousand, one hundred thirty-two".
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