Base | Representation |
---|---|
bin | 100011011100110110… |
… | …1101000011000101001 |
3 | 21021111122101101212121 |
4 | 1012321231220120221 |
5 | 2221403312102024 |
6 | 54550154111241 |
7 | 5333401642204 |
oct | 1067155503051 |
9 | 237448341777 |
10 | 76130190889 |
11 | 2a317565235 |
12 | 12907a1b521 |
13 | 7243497a3c |
14 | 3982c3493b |
15 | 1ea88b38e4 |
hex | 11b9b68629 |
76130190889 has 3 divisors (see below), whose sum is σ = 76130466807. Its totient is φ = 76129914972.
The previous prime is 76130190881. The next prime is 76130190893. The reversal of 76130190889 is 98809103167.
It is a happy number.
The square root of 76130190889 is 275917.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 55769184025 + 20361006864 = 236155^2 + 142692^2 .
It is not a de Polignac number, because 76130190889 - 23 = 76130190881 is a prime.
It is a super-2 number, since 2×761301908892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76130190881) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 137959 + ... + 413875.
It is an arithmetic number, because the mean of its divisors is an integer number (25376822269).
Almost surely, 276130190889 is an apocalyptic number.
76130190889 is the 275917-th square number.
76130190889 is the 137959-th centered octagonal number.
It is an amenable number.
76130190889 is a deficient number, since it is larger than the sum of its proper divisors (275918).
76130190889 is an frugal number, since it uses more digits than its factorization.
76130190889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551834 (or 275917 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 52.
The spelling of 76130190889 in words is "seventy-six billion, one hundred thirty million, one hundred ninety thousand, eight hundred eighty-nine".
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