Base | Representation |
---|---|
bin | 11001000010100111… |
… | …100100011000100100 |
3 | 2120101211112010120100 |
4 | 121002213210120210 |
5 | 420031143111201 |
6 | 20204003504100 |
7 | 1641203514111 |
oct | 310247443044 |
9 | 76354463510 |
10 | 26887472676 |
11 | 104483061a9 |
12 | 5264688030 |
13 | 26c65a205c |
14 | 1430d0d908 |
15 | a75758886 |
hex | 6429e4624 |
26887472676 has 27 divisors (see below), whose sum is σ = 67968042961. Its totient is φ = 8962162944.
The previous prime is 26887472671. The next prime is 26887472707. The reversal of 26887472676 is 67627478862.
The square root of 26887472676 is 163974.
It is a perfect power (a square), and thus also a powerful number.
26887472676 is a `hidden beast` number, since 26 + 8 + 87 + 472 + 67 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12830999076 + 14056473600 = 113274^2 + 118560^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (26887472671) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 970180 + ... + 997508.
Almost surely, 226887472676 is an apocalyptic number.
26887472676 is the 163974-th square number.
It is an amenable number.
26887472676 is an abundant number, since it is smaller than the sum of its proper divisors (41080570285).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26887472676 is an frugal number, since it uses more digits than its factorization.
26887472676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54668 (or 27334 counting only the distinct ones).
The product of its digits is 75866112, while the sum is 63.
The spelling of 26887472676 in words is "twenty-six billion, eight hundred eighty-seven million, four hundred seventy-two thousand, six hundred seventy-six".
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