Base | Representation |
---|---|
bin | 111100100001110… |
… | …1111010011110001 |
3 | 12020112201200020212 |
4 | 1321003233103301 |
5 | 13124420221340 |
6 | 533311513505 |
7 | 101221261601 |
oct | 17103572361 |
9 | 5215650225 |
10 | 2031023345 |
11 | 95250699a |
12 | 488228895 |
13 | 264a1a080 |
14 | 153a52c01 |
15 | bd48ea65 |
hex | 790ef4f1 |
2031023345 has 32 divisors (see below), whose sum is σ = 2673095040. Its totient is φ = 1472440320.
The previous prime is 2031023317. The next prime is 2031023353. The reversal of 2031023345 is 5433201302.
It is not a de Polignac number, because 2031023345 - 210 = 2031022321 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2031023345.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824726 + ... + 827184.
It is an arithmetic number, because the mean of its divisors is an integer number (83534220).
Almost surely, 22031023345 is an apocalyptic number.
It is an amenable number.
2031023345 is a deficient number, since it is larger than the sum of its proper divisors (642071695).
2031023345 is a wasteful number, since it uses less digits than its factorization.
2031023345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2705.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 2031023345 is about 45066.8763616916. The cubic root of 2031023345 is about 1266.4021478652.
Adding to 2031023345 its reverse (5433201302), we get a palindrome (7464224647).
The spelling of 2031023345 in words is "two billion, thirty-one million, twenty-three thousand, three hundred forty-five".
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