Base | Representation |
---|---|
bin | 1010110011010000… |
… | …0011110110101111 |
3 | 21111001121010220111 |
4 | 2230310003312233 |
5 | 21414212002211 |
6 | 1155410400451 |
7 | 131563612366 |
oct | 25464036657 |
9 | 7431533814 |
10 | 2899328431 |
11 | 12586603aa |
12 | 68ab90127 |
13 | 37289716c |
14 | 1d70bc7dd |
15 | 11e80a421 |
hex | acd03daf |
2899328431 has 4 divisors (see below), whose sum is σ = 2900034072. Its totient is φ = 2898622792.
The previous prime is 2899328429. The next prime is 2899328437. The reversal of 2899328431 is 1348239982.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2899328431 - 21 = 2899328429 is a prime.
It is a super-2 number, since 2×28993284312 = 16812210701609843522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2899328437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346621 + ... + 354886.
It is an arithmetic number, because the mean of its divisors is an integer number (725008518).
Almost surely, 22899328431 is an apocalyptic number.
2899328431 is a deficient number, since it is larger than the sum of its proper divisors (705641).
2899328431 is an equidigital number, since it uses as much as digits as its factorization.
2899328431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 705640.
The product of its digits is 746496, while the sum is 49.
The square root of 2899328431 is about 53845.4123486858. The cubic root of 2899328431 is about 1425.9330597510.
The spelling of 2899328431 in words is "two billion, eight hundred ninety-nine million, three hundred twenty-eight thousand, four hundred thirty-one".
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