Base | Representation |
---|---|
bin | 1011001000111010… |
… | …1011011011001011 |
3 | 21201101120111202010 |
4 | 2302032223123023 |
5 | 22110442123311 |
6 | 1212414111003 |
7 | 134046133620 |
oct | 26216533313 |
9 | 7641514663 |
10 | 2990192331 |
11 | 12a4981835 |
12 | 6b54ab463 |
13 | 38865c399 |
14 | 2051b2347 |
15 | 1277a7da6 |
hex | b23ab6cb |
2990192331 has 8 divisors (see below), whose sum is σ = 4556483584. Its totient is φ = 1708681320.
The previous prime is 2990192323. The next prime is 2990192341. The reversal of 2990192331 is 1332910992.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2990192331 - 23 = 2990192323 is a prime.
It is a super-2 number, since 2×29901923312 = 17882500352742427122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2990192331.
It is not an unprimeable number, because it can be changed into a prime (2990192341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71195035 + ... + 71195076.
It is an arithmetic number, because the mean of its divisors is an integer number (569560448).
Almost surely, 22990192331 is an apocalyptic number.
2990192331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2990192331 is a deficient number, since it is larger than the sum of its proper divisors (1566291253).
2990192331 is a wasteful number, since it uses less digits than its factorization.
2990192331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142390121.
The product of its (nonzero) digits is 26244, while the sum is 39.
The square root of 2990192331 is about 54682.6510970344. The cubic root of 2990192331 is about 1440.6761759784.
The spelling of 2990192331 in words is "two billion, nine hundred ninety million, one hundred ninety-two thousand, three hundred thirty-one".
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