Base | Representation |
---|---|
bin | 1011000110110000… |
… | …0011111010100001 |
3 | 21200202111110120000 |
4 | 2301230003322201 |
5 | 22101131230401 |
6 | 1211451410213 |
7 | 133606036650 |
oct | 26154037241 |
9 | 7622443500 |
10 | 2981117601 |
11 | 129a843860 |
12 | 6b2453969 |
13 | 386802a17 |
14 | 203ccd197 |
15 | 126ab4186 |
hex | b1b03ea1 |
2981117601 has 40 divisors (see below), whose sum is σ = 5552145984. Its totient is φ = 1548629280.
The previous prime is 2981117593. The next prime is 2981117617. The reversal of 2981117601 is 1067111892.
2981117601 is a `hidden beast` number, since 29 + 8 + 11 + 17 + 601 = 666.
It is not a de Polignac number, because 2981117601 - 23 = 2981117593 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2981117621) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 232750 + ... + 245223.
Almost surely, 22981117601 is an apocalyptic number.
2981117601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2981117601 is a deficient number, since it is larger than the sum of its proper divisors (2571028383).
2981117601 is a wasteful number, since it uses less digits than its factorization.
2981117601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478003 (or 477994 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 36.
The square root of 2981117601 is about 54599.6117293887. The cubic root of 2981117601 is about 1439.2172959968.
The spelling of 2981117601 in words is "two billion, nine hundred eighty-one million, one hundred seventeen thousand, six hundred one".
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