Base | Representation |
---|---|
bin | 111110011011000010… |
… | …000100111001011100 |
3 | 20102000010100022111200 |
4 | 332123002010321130 |
5 | 2044232013203033 |
6 | 50442513315500 |
7 | 4561645352625 |
oct | 763302047134 |
9 | 212003308450 |
10 | 67025522268 |
11 | 26475183a11 |
12 | 10ba6865b90 |
13 | 642212ac63 |
14 | 335b974a4c |
15 | 1b2440e013 |
hex | f9b084e5c |
67025522268 has 72 divisors (see below), whose sum is σ = 173465820528. Its totient is φ = 21809668608.
The previous prime is 67025522257. The next prime is 67025522269. The reversal of 67025522268 is 86222552076.
67025522268 is a `hidden beast` number, since 6 + 70 + 2 + 552 + 2 + 26 + 8 = 666.
67025522268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67025522269) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2887846 + ... + 2910962.
Almost surely, 267025522268 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67025522268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86732910264).
67025522268 is an abundant number, since it is smaller than the sum of its proper divisors (106440298260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67025522268 is a wasteful number, since it uses less digits than its factorization.
67025522268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25043 (or 25038 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 45.
The spelling of 67025522268 in words is "sixty-seven billion, twenty-five million, five hundred twenty-two thousand, two hundred sixty-eight".
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