Base | Representation |
---|---|
bin | 1001111100100101… |
… | …1111010011110001 |
3 | 20220002012100102220 |
4 | 2133021133103301 |
5 | 20432014034011 |
6 | 1120540431253 |
7 | 123111114501 |
oct | 23711372361 |
9 | 6802170386 |
10 | 2670064881 |
11 | 11502002a0 |
12 | 626248529 |
13 | 337235163 |
14 | 1b487da01 |
15 | 109620506 |
hex | 9f25f4f1 |
2670064881 has 16 divisors (see below), whose sum is σ = 3927372480. Its totient is φ = 1600037120.
The previous prime is 2670064879. The next prime is 2670064921. The reversal of 2670064881 is 1884600762.
It is not a de Polignac number, because 2670064881 - 21 = 2670064879 is a prime.
It is a super-2 number, since 2×26700648812 = 14258492937499088322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2670062881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451620 + ... + 457493.
It is an arithmetic number, because the mean of its divisors is an integer number (245460780).
Almost surely, 22670064881 is an apocalyptic number.
It is an amenable number.
2670064881 is a deficient number, since it is larger than the sum of its proper divisors (1257307599).
2670064881 is a wasteful number, since it uses less digits than its factorization.
2670064881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 909216.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 2670064881 is about 51672.6705425605. The cubic root of 2670064881 is about 1387.3113462197.
The spelling of 2670064881 in words is "two billion, six hundred seventy million, sixty-four thousand, eight hundred eighty-one".
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