Base | Representation |
---|---|
bin | 1101010011100010… |
… | …01100010101000100 |
3 | 200102211012210012121 |
4 | 12221301030111010 |
5 | 104112130243411 |
6 | 3140451455324 |
7 | 342005206000 |
oct | 65161142504 |
9 | 20384183177 |
10 | 7143212356 |
11 | 3036180195 |
12 | 14742b7544 |
13 | 89ab99497 |
14 | 4ba999700 |
15 | 2bc1a7571 |
hex | 1a9c4c544 |
7143212356 has 24 divisors (see below), whose sum is σ = 14577987200. Its totient is φ = 3061376136.
The previous prime is 7143212333. The next prime is 7143212369. The reversal of 7143212356 is 6532123417.
It is a super-2 number, since 2×71432123562 (a number of 21 digits) contains 22 as substring.
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, 2601840 + ... + 2604583.
Almost surely, 27143212356 is an apocalyptic number.
It is an amenable number.
7143212356 is an abundant number, since it is smaller than the sum of its proper divisors (7434774844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7143212356 is a wasteful number, since it uses less digits than its factorization.
7143212356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5206448 (or 5206432 counting only the distinct ones).
The product of its digits is 30240, while the sum is 34.
The square root of 7143212356 is about 84517.5269160190. The cubic root of 7143212356 is about 1925.8887092083. Note that the first 3 decimals are identical.
The spelling of 7143212356 in words is "seven billion, one hundred forty-three million, two hundred twelve thousand, three hundred fifty-six".
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