Base | Representation |
---|---|
bin | 100000000000111111… |
… | …1001110101000011010 |
3 | 20120110111120120211101 |
4 | 1000001333032220122 |
5 | 2111301211011304 |
6 | 51330135422014 |
7 | 4652521255315 |
oct | 1000177165032 |
9 | 216414516741 |
10 | 68752828954 |
11 | 271811a7aa7 |
12 | 113a922490a |
13 | 6638c48614 |
14 | 348312797c |
15 | 1bc5da88a4 |
hex | 1001fcea1a |
68752828954 has 4 divisors (see below), whose sum is σ = 103129243434. Its totient is φ = 34376414476.
The previous prime is 68752828951. The next prime is 68752828967. The reversal of 68752828954 is 45982825786.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 68106906729 + 645922225 = 260973^2 + 25415^2 .
It is not an unprimeable number, because it can be changed into a prime (68752828951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17188207237 + ... + 17188207240.
Almost surely, 268752828954 is an apocalyptic number.
68752828954 is a deficient number, since it is larger than the sum of its proper divisors (34376414480).
68752828954 is a wasteful number, since it uses less digits than its factorization.
68752828954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34376414479.
The product of its digits is 77414400, while the sum is 64.
The spelling of 68752828954 in words is "sixty-eight billion, seven hundred fifty-two million, eight hundred twenty-eight thousand, nine hundred fifty-four".
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