Base | Representation |
---|---|
bin | 1010110010101000… |
… | …0000101011010001 |
3 | 21110212122022002211 |
4 | 2230222000223101 |
5 | 21413023201334 |
6 | 1155234112121 |
7 | 131532330631 |
oct | 25452005321 |
9 | 7425568084 |
10 | 2896693969 |
11 | 1257121064 |
12 | 68a11b641 |
13 | 372184000 |
14 | 1d69d46c1 |
15 | 11e489a64 |
hex | aca80ad1 |
2896693969 has 8 divisors (see below), whose sum is σ = 3137977640. Its totient is φ = 2673869328.
The previous prime is 2896693939. The next prime is 2896694023. The reversal of 2896693969 is 9693966982.
It can be written as a sum of positive squares in 4 ways, for example, as 620259025 + 2276434944 = 24905^2 + 47712^2 .
It is a de Polignac number, because none of the positive numbers 2k-2896693969 is a prime.
It is a super-2 number, since 2×28966939692 = 16781671900081945922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2896693939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657042 + ... + 661435.
It is an arithmetic number, because the mean of its divisors is an integer number (392247205).
Almost surely, 22896693969 is an apocalyptic number.
It is an amenable number.
2896693969 is a deficient number, since it is larger than the sum of its proper divisors (241283671).
2896693969 is an equidigital number, since it uses as much as digits as its factorization.
2896693969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1318516 (or 1318490 counting only the distinct ones).
The product of its digits is 68024448, while the sum is 67.
The square root of 2896693969 is about 53820.9435907621. The cubic root of 2896693969 is about 1425.5010396102.
The spelling of 2896693969 in words is "two billion, eight hundred ninety-six million, six hundred ninety-three thousand, nine hundred sixty-nine".
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