Base | Representation |
---|---|
bin | 101011101001111101111… |
… | …011111010100100110111 |
3 | 101121210112011022212000102 |
4 | 223221331323322210313 |
5 | 343123000001443111 |
6 | 10214103032104315 |
7 | 426512540343413 |
oct | 53517573724467 |
9 | 11553464285012 |
10 | 3000000031031 |
11 | a57324898023 |
12 | 405505b3509b |
13 | 189b8b841073 |
14 | a52b4d03d43 |
15 | 5308474d13b |
hex | 2ba7defa937 |
3000000031031 has 4 divisors (see below), whose sum is σ = 3000194510712. Its totient is φ = 2999805551352.
The previous prime is 3000000030887. The next prime is 3000000031043. The reversal of 3000000031031 is 1301300000003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3000000031031 is a prime.
It is a super-2 number, since 2×30000000310312 (a number of 26 digits) 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 (3000000031631) 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, 97216700 + ... + 97247553.
It is an arithmetic number, because the mean of its divisors is an integer number (750048627678).
Almost surely, 23000000031031 is an apocalyptic number.
3000000031031 is a deficient number, since it is larger than the sum of its proper divisors (194479681).
3000000031031 is a wasteful number, since it uses less digits than its factorization.
3000000031031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194479680.
The product of its (nonzero) digits is 27, while the sum is 11.
Adding to 3000000031031 its reverse (1301300000003), we get a palindrome (4301300031034).
The spelling of 3000000031031 in words is "three trillion, thirty-one thousand, thirty-one".
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