Base | Representation |
---|---|
bin | 1001001100110111… |
… | …1000101110010001 |
3 | 20101010112110110000 |
4 | 2103031320232101 |
5 | 20024243002321 |
6 | 1045030200213 |
7 | 115130504166 |
oct | 22315705621 |
9 | 6333473400 |
10 | 2469890961 |
11 | 10582096aa |
12 | 58b1b3069 |
13 | 304919955 |
14 | 19605406d |
15 | e6c7e826 |
hex | 93378b91 |
2469890961 has 20 divisors (see below), whose sum is σ = 3692145600. Its totient is φ = 1645453656.
The previous prime is 2469890939. The next prime is 2469890999. The reversal of 2469890961 is 1690989642.
2469890961 is a `hidden beast` number, since 2 + 469 + 8 + 90 + 96 + 1 = 666.
2469890961 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2469890961 - 26 = 2469890897 is a prime.
It is a super-2 number, since 2×24698909612 = 12200722718459007042, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2469890898 and 2469890907.
It is not an unprimeable number, because it can be changed into a prime (2469810961) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116500 + ... + 136058.
It is an arithmetic number, because the mean of its divisors is an integer number (184607280).
Almost surely, 22469890961 is an apocalyptic number.
It is an amenable number.
2469890961 is a deficient number, since it is larger than the sum of its proper divisors (1222254639).
2469890961 is a wasteful number, since it uses less digits than its factorization.
2469890961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21130 (or 21121 counting only the distinct ones).
The product of its (nonzero) digits is 1679616, while the sum is 54.
The square root of 2469890961 is about 49697.9975552336. The cubic root of 2469890961 is about 1351.7382202176.
The spelling of 2469890961 in words is "two billion, four hundred sixty-nine million, eight hundred ninety thousand, nine hundred sixty-one".
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