Base | Representation |
---|---|
bin | 11011111011010011010011… |
… | …01011111101110001110101 |
3 | 22001102212002012101022210202 |
4 | 31331221221223331301311 |
5 | 31022130132133444000 |
6 | 334335531204530245 |
7 | 15635546112143105 |
oct | 1575515153756165 |
9 | 261385065338722 |
10 | 61411215531125 |
11 | 186273941a8989 |
12 | 6a79aa39b0985 |
13 | 283608bc442c5 |
14 | 11244666b9205 |
15 | 7176a7677dd5 |
hex | 37da69afdc75 |
61411215531125 has 16 divisors (see below), whose sum is σ = 77069360122560. Its totient is φ = 48854508874000.
The previous prime is 61411215531073. The next prime is 61411215531131. The reversal of 61411215531125 is 52113551211416.
It is not a de Polignac number, because 61411215531125 - 28 = 61411215530869 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372295291 + ... + 1372340040.
It is an arithmetic number, because the mean of its divisors is an integer number (4816835007660).
Almost surely, 261411215531125 is an apocalyptic number.
It is an amenable number.
61411215531125 is a deficient number, since it is larger than the sum of its proper divisors (15658144591435).
61411215531125 is a wasteful number, since it uses less digits than its factorization.
61411215531125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2744635525 (or 2744635515 counting only the distinct ones).
The product of its digits is 36000, while the sum is 38.
The spelling of 61411215531125 in words is "sixty-one trillion, four hundred eleven billion, two hundred fifteen million, five hundred thirty-one thousand, one hundred twenty-five".
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