Base | Representation |
---|---|
bin | 111011111011101… |
… | …1110100111011111 |
3 | 12012011010000022211 |
4 | 1313313132213133 |
5 | 13104311011111 |
6 | 531315221251 |
7 | 100556330101 |
oct | 16767364737 |
9 | 5164100284 |
10 | 2011032031 |
11 | 9421a2148 |
12 | 4815a7827 |
13 | 26083a8a8 |
14 | 15112b571 |
15 | bb841521 |
hex | 77dde9df |
2011032031 has 4 divisors (see below), whose sum is σ = 2075904064. Its totient is φ = 1946160000.
The previous prime is 2011032013. The next prime is 2011032047. The reversal of 2011032031 is 1302301102.
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-2011032031 is a prime.
It is a super-2 number, since 2×20110320312 = 8088499659415969922, 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 (2011032091) 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, 32435970 + ... + 32436031.
It is an arithmetic number, because the mean of its divisors is an integer number (518976016).
Almost surely, 22011032031 is an apocalyptic number.
2011032031 is a deficient number, since it is larger than the sum of its proper divisors (64872033).
2011032031 is an equidigital number, since it uses as much as digits as its factorization.
2011032031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64872032.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 2011032031 is about 44844.5317848230. The cubic root of 2011032031 is about 1262.2333848137.
Adding to 2011032031 its reverse (1302301102), we get a palindrome (3313333133).
The spelling of 2011032031 in words is "two billion, eleven million, thirty-two thousand, thirty-one".
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