Base | Representation |
---|---|
bin | 111111010010100000… |
… | …010100001111000010 |
3 | 20111101222120110020220 |
4 | 333102200110033002 |
5 | 2103133241240130 |
6 | 51115121043510 |
7 | 4624006065153 |
oct | 772240241702 |
9 | 214358513226 |
10 | 67956196290 |
11 | 269025570a4 |
12 | 11206486596 |
13 | 653cba4348 |
14 | 34093d792a |
15 | 1b7ae99410 |
hex | fd28143c2 |
67956196290 has 128 divisors (see below), whose sum is σ = 180515174400. Its totient is φ = 16295685120.
The previous prime is 67956196289. The next prime is 67956196331. The reversal of 67956196290 is 9269165976.
It is a super-2 number, since 2×679561962902 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1697626 + ... + 1737194.
It is an arithmetic number, because the mean of its divisors is an integer number (1410274800).
Almost surely, 267956196290 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67956196290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90257587200).
67956196290 is an abundant number, since it is smaller than the sum of its proper divisors (112558978110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67956196290 is a wasteful number, since it uses less digits than its factorization.
67956196290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39752.
The product of its (nonzero) digits is 11022480, while the sum is 60.
The spelling of 67956196290 in words is "sixty-seven billion, nine hundred fifty-six million, one hundred ninety-six thousand, two hundred ninety".
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