Base | Representation |
---|---|
bin | 100000000001010111… |
… | …0010000011011100000 |
3 | 20120111100202220211221 |
4 | 1000002232100123200 |
5 | 2111312340011323 |
6 | 51331255544424 |
7 | 4653031122355 |
oct | 1000256203340 |
9 | 216440686757 |
10 | 68765157088 |
11 | 27188158341 |
12 | 113b138b114 |
13 | 663b673a84 |
14 | 3484a1662c |
15 | 1bc6ee155d |
hex | 1002b906e0 |
68765157088 has 12 divisors (see below), whose sum is σ = 135381403080. Its totient is φ = 34382578528.
The previous prime is 68765157037. The next prime is 68765157089. The reversal of 68765157088 is 88075156786.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68765157089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074455548 + ... + 1074455611.
It is an arithmetic number, because the mean of its divisors is an integer number (11281783590).
Almost surely, 268765157088 is an apocalyptic number.
It is an amenable number.
68765157088 is a deficient number, since it is larger than the sum of its proper divisors (66616245992).
68765157088 is a wasteful number, since it uses less digits than its factorization.
68765157088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2148911169 (or 2148911161 counting only the distinct ones).
The product of its (nonzero) digits is 22579200, while the sum is 61.
The spelling of 68765157088 in words is "sixty-eight billion, seven hundred sixty-five million, one hundred fifty-seven thousand, eighty-eight".
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