Base | Representation |
---|---|
bin | 111001011111000110… |
… | …110001001101010110 |
3 | 12220022201202121111221 |
4 | 321133012301031112 |
5 | 2002403114331321 |
6 | 44204532120554 |
7 | 4313415064423 |
oct | 713706611526 |
9 | 186281677457 |
10 | 61725152086 |
11 | 241a526a394 |
12 | bb6776615a |
13 | 5a88ca1c40 |
14 | 2db7a44d4a |
15 | 1913e23e41 |
hex | e5f1b1356 |
61725152086 has 16 divisors (see below), whose sum is σ = 99726783408. Its totient is φ = 28483696800.
The previous prime is 61725152053. The next prime is 61725152107. The reversal of 61725152086 is 68025152716.
It is a congruent number.
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, 42960 + ... + 353971.
It is an arithmetic number, because the mean of its divisors is an integer number (6232923963).
Almost surely, 261725152086 is an apocalyptic number.
61725152086 is a deficient number, since it is larger than the sum of its proper divisors (38001631322).
61725152086 is a wasteful number, since it uses less digits than its factorization.
61725152086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402927.
The product of its (nonzero) digits is 201600, while the sum is 43.
The spelling of 61725152086 in words is "sixty-one billion, seven hundred twenty-five million, one hundred fifty-two thousand, eighty-six".
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