Base | Representation |
---|---|
bin | 111111111110010010… |
… | …011011011110011011 |
3 | 20120022011202211020002 |
4 | 333332102123132123 |
5 | 2111134313102220 |
6 | 51320041123215 |
7 | 4651135525163 |
oct | 777622333633 |
9 | 216264684202 |
10 | 68690753435 |
11 | 2714a159817 |
12 | 1139048950b |
13 | 6629122a45 |
14 | 3478ba95a3 |
15 | 1bc06e5c75 |
hex | ffe49b79b |
68690753435 has 8 divisors (see below), whose sum is σ = 87277663296. Its totient is φ = 51720096640.
The previous prime is 68690753423. The next prime is 68690753441. The reversal of 68690753435 is 53435709686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68690753435 - 214 = 68690737051 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404063171 + ... + 404063340.
It is an arithmetic number, because the mean of its divisors is an integer number (10909707912).
Almost surely, 268690753435 is an apocalyptic number.
68690753435 is a deficient number, since it is larger than the sum of its proper divisors (18586909861).
68690753435 is a wasteful number, since it uses less digits than its factorization.
68690753435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808126533.
The product of its (nonzero) digits is 16329600, while the sum is 56.
The spelling of 68690753435 in words is "sixty-eight billion, six hundred ninety million, seven hundred fifty-three thousand, four hundred thirty-five".
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