Base | Representation |
---|---|
bin | 1110011010001011… |
… | …0101110011111110 |
3 | 100222120010022200221 |
4 | 3212202311303332 |
5 | 30410140033430 |
6 | 1435450211554 |
7 | 164564355643 |
oct | 34642656376 |
9 | 10876108627 |
10 | 3867892990 |
11 | 1705363285 |
12 | 8bb423bba |
13 | 498448ba0 |
14 | 2899a5dca |
15 | 17987c57a |
hex | e68b5cfe |
3867892990 has 16 divisors (see below), whose sum is σ = 7497762048. Its totient is φ = 1428145056.
The previous prime is 3867892981. The next prime is 3867893021. The reversal of 3867892990 is 992987683.
It is a happy number.
It is a super-2 number, since 2×38678929902 = 29921192364182280200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14876382 + ... + 14876641.
It is an arithmetic number, because the mean of its divisors is an integer number (468610128).
Almost surely, 23867892990 is an apocalyptic number.
3867892990 is a deficient number, since it is larger than the sum of its proper divisors (3629869058).
3867892990 is a wasteful number, since it uses less digits than its factorization.
3867892990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29753043.
The product of its (nonzero) digits is 11757312, while the sum is 61.
The square root of 3867892990 is about 62192.3869135122. The cubic root of 3867892990 is about 1569.7294880600.
The spelling of 3867892990 in words is "three billion, eight hundred sixty-seven million, eight hundred ninety-two thousand, nine hundred ninety".
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