Base | Representation |
---|---|
bin | 111100100010000… |
… | …1000010100000001 |
3 | 12020112220212202001 |
4 | 1321010020110001 |
5 | 13124432011021 |
6 | 533314024001 |
7 | 101222166310 |
oct | 17104102401 |
9 | 5215825661 |
10 | 2031125761 |
11 | 952576935 |
12 | 488278001 |
13 | 264a54882 |
14 | 153a7c277 |
15 | bd4b0091 |
hex | 79108501 |
2031125761 has 16 divisors (see below), whose sum is σ = 2333979648. Its totient is φ = 1731474000.
The previous prime is 2031125749. The next prime is 2031125771. The reversal of 2031125761 is 1675211302.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2031125761 - 229 = 1494254849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2031125771) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399086 + ... + 1400536.
It is an arithmetic number, because the mean of its divisors is an integer number (145873728).
Almost surely, 22031125761 is an apocalyptic number.
It is an amenable number.
2031125761 is a deficient number, since it is larger than the sum of its proper divisors (302853887).
2031125761 is a wasteful number, since it uses less digits than its factorization.
2031125761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2412.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 2031125761 is about 45068.0126142700. The cubic root of 2031125761 is about 1266.4234339593.
The spelling of 2031125761 in words is "two billion, thirty-one million, one hundred twenty-five thousand, seven hundred sixty-one".
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