Base | Representation |
---|---|
bin | 10000000001101… |
… | …010011111111111 |
3 | 200201221002121100 |
4 | 100001222133333 |
5 | 1022312343204 |
6 | 42402504143 |
7 | 6443241306 |
oct | 2001523777 |
9 | 621832540 |
10 | 268871679 |
11 | 1288532aa |
12 | 76065053 |
13 | 4391c38b |
14 | 279cd43d |
15 | 18910a39 |
hex | 1006a7ff |
268871679 has 48 divisors (see below), whose sum is σ = 430560000. Its totient is φ = 160921728.
The previous prime is 268871663. The next prime is 268871683. The reversal of 268871679 is 976178862.
It is not a de Polignac number, because 268871679 - 24 = 268871663 is a prime.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268871689) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 538572 + ... + 539070.
It is an arithmetic number, because the mean of its divisors is an integer number (8970000).
Almost surely, 2268871679 is an apocalyptic number.
268871679 is a deficient number, since it is larger than the sum of its proper divisors (161688321).
268871679 is a wasteful number, since it uses less digits than its factorization.
268871679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 684 (or 681 counting only the distinct ones).
The product of its digits is 2032128, while the sum is 54.
The square root of 268871679 is about 16397.3070654910. The cubic root of 268871679 is about 645.4288188630.
The spelling of 268871679 in words is "two hundred sixty-eight million, eight hundred seventy-one thousand, six hundred seventy-nine".
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