Base | Representation |
---|---|
bin | 1011011101011111… |
… | …10010111100010001 |
3 | 120212210221022011100 |
4 | 11232233302330101 |
5 | 100100131143411 |
6 | 2454315535013 |
7 | 305322361521 |
oct | 55657627421 |
9 | 16783838140 |
10 | 6152990481 |
11 | 2678225900 |
12 | 123875a469 |
13 | 7709a3b91 |
14 | 425275681 |
15 | 2602a8456 |
hex | 16ebf2f11 |
6152990481 has 27 divisors (see below), whose sum is σ = 9773184603. Its totient is φ = 3727516320.
The previous prime is 6152990479. The next prime is 6152990509. The reversal of 6152990481 is 1840992516.
The square root of 6152990481 is 78441.
It is a perfect power (a square), and thus also a powerful number.
6152990481 is a `hidden beast` number, since 61 + 5 + 29 + 90 + 481 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2433942225 + 3719048256 = 49335^2 + 60984^2 .
It is not a de Polignac number, because 6152990481 - 21 = 6152990479 is a prime.
It is a super-2 number, since 2×61529904812 = 75718583718553222722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6152990401) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2587365 + ... + 2589741.
Almost surely, 26152990481 is an apocalyptic number.
6152990481 is the 78441-st square number.
6152990481 is the 39221-st centered octagonal number.
It is an amenable number.
6152990481 is a deficient number, since it is larger than the sum of its proper divisors (3620194122).
6152990481 is an equidigital number, since it uses as much as digits as its factorization.
6152990481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4782 (or 2391 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The cubic root of 6152990481 is about 1832.4357148108.
The spelling of 6152990481 in words is "six billion, one hundred fifty-two million, nine hundred ninety thousand, four hundred eighty-one".
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