Base | Representation |
---|---|
bin | 100000000111010101… |
… | …0110101010000001111 |
3 | 20121000022220202112120 |
4 | 1000032222311100033 |
5 | 2112220142222220 |
6 | 51403215504023 |
7 | 4661013544131 |
oct | 1001652652017 |
9 | 217008822476 |
10 | 68965585935 |
11 | 27280303514 |
12 | 11448528013 |
13 | 667104b31c |
14 | 34a34ab051 |
15 | 1bd98d2a40 |
hex | 100eab540f |
68965585935 has 24 divisors (see below), whose sum is σ = 113407869456. Its totient is φ = 35787536640.
The previous prime is 68965585933. The next prime is 68965585981. The reversal of 68965585935 is 53958556986.
It is not a de Polignac number, because 68965585935 - 21 = 68965585933 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68965585935.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68965585933) 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, 1658686 + ... + 1699755.
It is an arithmetic number, because the mean of its divisors is an integer number (4725327894).
Almost surely, 268965585935 is an apocalyptic number.
68965585935 is a deficient number, since it is larger than the sum of its proper divisors (44442283521).
68965585935 is a wasteful number, since it uses less digits than its factorization.
68965585935 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3358523 (or 3358486 counting only the distinct ones).
The product of its digits is 349920000, while the sum is 69.
The spelling of 68965585935 in words is "sixty-eight billion, nine hundred sixty-five million, five hundred eighty-five thousand, nine hundred thirty-five".
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