Base | Representation |
---|---|
bin | 111111000111011100… |
… | …100111001011110010 |
3 | 20110221001111001012100 |
4 | 333013130213023302 |
5 | 2102243243112304 |
6 | 51044452441230 |
7 | 4616264145432 |
oct | 770734471362 |
9 | 213831431170 |
10 | 67770675954 |
11 | 26817863a03 |
12 | 11174319216 |
13 | 65106198b7 |
14 | 33cc9042c2 |
15 | 1b69a50439 |
hex | fc77272f2 |
67770675954 has 12 divisors (see below), whose sum is σ = 146836464606. Its totient is φ = 22590225312.
The previous prime is 67770675953. The next prime is 67770675961. The reversal of 67770675954 is 45957607776.
It can be written as a sum of positive squares in only one way, i.e., 51622112025 + 16148563929 = 227205^2 + 127077^2 .
It is a junction number, because it is equal to n+sod(n) for n = 67770675891 and 67770675900.
It is not an unprimeable number, because it can be changed into a prime (67770675953) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1882518759 + ... + 1882518794.
Almost surely, 267770675954 is an apocalyptic number.
67770675954 is an abundant number, since it is smaller than the sum of its proper divisors (79065788652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67770675954 is a wasteful number, since it uses less digits than its factorization.
67770675954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3765037561 (or 3765037558 counting only the distinct ones).
The product of its (nonzero) digits is 77792400, while the sum is 63.
The spelling of 67770675954 in words is "sixty-seven billion, seven hundred seventy million, six hundred seventy-five thousand, nine hundred fifty-four".
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