Base | Representation |
---|---|
bin | 1010000000101100… |
… | …1100111010101111 |
3 | 20221021121112022100 |
4 | 2200023030322233 |
5 | 21000421303210 |
6 | 1122353550143 |
7 | 123410411541 |
oct | 24013147257 |
9 | 6837545270 |
10 | 2687291055 |
11 | 11599a65a9 |
12 | 62bb75353 |
13 | 33a986b67 |
14 | 1b6c85691 |
15 | 10adc45c0 |
hex | a02cceaf |
2687291055 has 24 divisors (see below), whose sum is σ = 4665568752. Its totient is φ = 1430884224.
The previous prime is 2687291053. The next prime is 2687291059. The reversal of 2687291055 is 5501927862.
2687291055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2687291055 - 21 = 2687291053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2687291055.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2687291053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20629 + ... + 76158.
It is an arithmetic number, because the mean of its divisors is an integer number (194398698).
Almost surely, 22687291055 is an apocalyptic number.
2687291055 is a deficient number, since it is larger than the sum of its proper divisors (1978277697).
2687291055 is a wasteful number, since it uses less digits than its factorization.
2687291055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97415 (or 97412 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 45.
The square root of 2687291055 is about 51839.0880996184. The cubic root of 2687291055 is about 1390.2884095225.
The spelling of 2687291055 in words is "two billion, six hundred eighty-seven million, two hundred ninety-one thousand, fifty-five".
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