Base | Representation |
---|---|
bin | 111001100101111000… |
… | …001000000100000010 |
3 | 12220121122112012010002 |
4 | 321211320020010002 |
5 | 2003121210112200 |
6 | 44224111040002 |
7 | 4316264510453 |
oct | 714570100402 |
9 | 186548465102 |
10 | 61838754050 |
11 | 24253401207 |
12 | bb99810002 |
13 | 5aa6698938 |
14 | 2dc8b7712a |
15 | 191ddb3bd5 |
hex | e65e08102 |
61838754050 has 12 divisors (see below), whose sum is σ = 115020082626. Its totient is φ = 24735501600.
The previous prime is 61838754031. The next prime is 61838754091. The reversal of 61838754050 is 5045783816.
It can be written as a sum of positive squares in 3 ways, for example, as 30865921969 + 30972832081 = 175687^2 + 175991^2 .
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 61838753986 and 61838754004.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618387491 + ... + 618387590.
Almost surely, 261838754050 is an apocalyptic number.
61838754050 is a deficient number, since it is larger than the sum of its proper divisors (53181328576).
61838754050 is a wasteful number, since it uses less digits than its factorization.
61838754050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1236775093 (or 1236775088 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 47.
The spelling of 61838754050 in words is "sixty-one billion, eight hundred thirty-eight million, seven hundred fifty-four thousand, fifty".
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