Base | Representation |
---|---|
bin | 111000111111110101… |
… | …110110001000110011 |
3 | 12211222011202201200120 |
4 | 320333311312020303 |
5 | 2000314324402011 |
6 | 44040513421323 |
7 | 4264415463525 |
oct | 707765661063 |
9 | 184864681616 |
10 | 61200622131 |
11 | 23a56179260 |
12 | ba3bb6a843 |
13 | 5a0440b89c |
14 | 2d68105a15 |
15 | 18d2d62a06 |
hex | e3fd76233 |
61200622131 has 16 divisors (see below), whose sum is σ = 89023329408. Its totient is φ = 37089518400.
The previous prime is 61200622129. The next prime is 61200622139. The reversal of 61200622131 is 13122600216.
It is not a de Polignac number, because 61200622131 - 21 = 61200622129 is a prime.
It is a super-2 number, since 2×612006221312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (61200622139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103751 + ... + 1157871.
It is an arithmetic number, because the mean of its divisors is an integer number (5563958088).
Almost surely, 261200622131 is an apocalyptic number.
61200622131 is a deficient number, since it is larger than the sum of its proper divisors (27822707277).
61200622131 is a wasteful number, since it uses less digits than its factorization.
61200622131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88402.
The product of its (nonzero) digits is 864, while the sum is 24.
The spelling of 61200622131 in words is "sixty-one billion, two hundred million, six hundred twenty-two thousand, one hundred thirty-one".
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