Base | Representation |
---|---|
bin | 1100010111101011011101… |
… | …10000010010010010011001 |
3 | 10120022110211012121210010000 |
4 | 12023311232300102102121 |
5 | 12031133430311142040 |
6 | 133504212434043213 |
7 | 5505162044212521 |
oct | 613655660222231 |
9 | 116273735553100 |
10 | 27201886037145 |
11 | 8738289575166 |
12 | 3073aa8719509 |
13 | 12241858b3831 |
14 | 6a0814c46681 |
15 | 3228b43aa130 |
hex | 18bd6ec12499 |
27201886037145 has 40 divisors (see below), whose sum is σ = 48762567412416. Its totient is φ = 14507473810464.
The previous prime is 27201886037113. The next prime is 27201886037147. The reversal of 27201886037145 is 54173068810272.
27201886037145 is a `hidden beast` number, since 2 + 7 + 2 + 0 + 18 + 8 + 603 + 7 + 14 + 5 = 666.
It is not a de Polignac number, because 27201886037145 - 25 = 27201886037113 is a prime.
It is a super-2 number, since 2×272018860371452 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 27201886037091 and 27201886037100.
It is not an unprimeable number, because it can be changed into a prime (27201886037147) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31956834 + ... + 32796996.
Almost surely, 227201886037145 is an apocalyptic number.
It is an amenable number.
27201886037145 is a deficient number, since it is larger than the sum of its proper divisors (21560681375271).
27201886037145 is an equidigital number, since it uses as much as digits as its factorization.
27201886037145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920123 (or 920114 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 27201886037145 in words is "twenty-seven trillion, two hundred one billion, eight hundred eighty-six million, thirty-seven thousand, one hundred forty-five".
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