Base | Representation |
---|---|
bin | 111111100000100010… |
… | …111010101111000110 |
3 | 20112000101211021221220 |
4 | 333200202322233012 |
5 | 2104124042244202 |
6 | 51154334021210 |
7 | 4632566250612 |
oct | 774042725706 |
9 | 215011737856 |
10 | 68191759302 |
11 | 26a1351a077 |
12 | 11271347806 |
13 | 6579930744 |
14 | 342c7d6342 |
15 | 1b919caabc |
hex | fe08babc6 |
68191759302 has 32 divisors (see below), whose sum is σ = 137050814592. Its totient is φ = 22619468544.
The previous prime is 68191759291. The next prime is 68191759313. The reversal of 68191759302 is 20395719186.
It is an interprime number because it is at equal distance from previous prime (68191759291) and next prime (68191759313).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3084813 + ... + 3106839.
It is an arithmetic number, because the mean of its divisors is an integer number (4282837956).
Almost surely, 268191759302 is an apocalyptic number.
68191759302 is an abundant number, since it is smaller than the sum of its proper divisors (68859055290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68191759302 is a wasteful number, since it uses less digits than its factorization.
68191759302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24532.
The product of its (nonzero) digits is 816480, while the sum is 51.
The spelling of 68191759302 in words is "sixty-eight billion, one hundred ninety-one million, seven hundred fifty-nine thousand, three hundred two".
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