Base | Representation |
---|---|
bin | 111111111111110… |
… | …0011111011010000 |
3 | 12112122122122000110 |
4 | 1333333203323100 |
5 | 13344211244111 |
6 | 553025321320 |
7 | 104133222006 |
oct | 17777437320 |
9 | 5478578013 |
10 | 2147368656 |
11 | a02151944 |
12 | 4bb196240 |
13 | 282b64654 |
14 | 16529aa76 |
15 | c87c25a6 |
hex | 7ffe3ed0 |
2147368656 has 40 divisors (see below), whose sum is σ = 5558548000. Its totient is φ = 714347136.
The previous prime is 2147368649. The next prime is 2147368669. The reversal of 2147368656 is 6568637412.
It is a super-2 number, since 2×21473686562 = 9222384289542492672, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 20875 + ... + 68778.
It is an arithmetic number, because the mean of its divisors is an integer number (138963700).
Almost surely, 22147368656 is an apocalyptic number.
It is an amenable number.
2147368656 is an abundant number, since it is smaller than the sum of its proper divisors (3411179344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2147368656 is a wasteful number, since it uses less digits than its factorization.
2147368656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90163 (or 90157 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 48.
The square root of 2147368656 is about 46339.7092783285. The cubic root of 2147368656 is about 1290.1361264917.
The spelling of 2147368656 in words is "two billion, one hundred forty-seven million, three hundred sixty-eight thousand, six hundred fifty-six".
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