Base | Representation |
---|---|
bin | 11001010000001111… |
… | …001100001001101110 |
3 | 2120222202110122100120 |
4 | 121100033030021232 |
5 | 421013141303430 |
6 | 20242405105410 |
7 | 1646646611454 |
oct | 312017141156 |
9 | 76882418316 |
10 | 27115962990 |
11 | 10555288376 |
12 | 53090b8266 |
13 | 2731a2311c |
14 | 14533ca9d4 |
15 | a8a83e610 |
hex | 6503cc26e |
27115962990 has 16 divisors (see below), whose sum is σ = 65078311248. Its totient is φ = 7230923456.
The previous prime is 27115962983. The next prime is 27115963093. The reversal of 27115962990 is 9926951172.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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, 451932687 + ... + 451932746.
It is an arithmetic number, because the mean of its divisors is an integer number (4067394453).
Almost surely, 227115962990 is an apocalyptic number.
27115962990 is an abundant number, since it is smaller than the sum of its proper divisors (37962348258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27115962990 is a wasteful number, since it uses less digits than its factorization.
27115962990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 903865443.
The product of its (nonzero) digits is 612360, while the sum is 51.
The spelling of 27115962990 in words is "twenty-seven billion, one hundred fifteen million, nine hundred sixty-two thousand, nine hundred ninety".
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