Base | Representation |
---|---|
bin | 111111101101000101… |
… | …111111111101110100 |
3 | 20112120001221222022001 |
4 | 333231011333331310 |
5 | 2110041441013411 |
6 | 51231254145044 |
7 | 4641033543502 |
oct | 775505777564 |
9 | 215501858261 |
10 | 68402282356 |
11 | 2701133a171 |
12 | 1130b952184 |
13 | 65b14306b5 |
14 | 344c757672 |
15 | 1ba5212dc1 |
hex | fed17ff74 |
68402282356 has 48 divisors (see below), whose sum is σ = 133471618560. Its totient is φ = 30482472960.
The previous prime is 68402282269. The next prime is 68402282383. The reversal of 68402282356 is 65328220486.
It is a happy number.
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, 3547261 + ... + 3566491.
It is an arithmetic number, because the mean of its divisors is an integer number (2780658720).
Almost surely, 268402282356 is an apocalyptic number.
It is an amenable number.
68402282356 is a deficient number, since it is larger than the sum of its proper divisors (65069336204).
68402282356 is a wasteful number, since it uses less digits than its factorization.
68402282356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22024 (or 22022 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 46.
The spelling of 68402282356 in words is "sixty-eight billion, four hundred two million, two hundred eighty-two thousand, three hundred fifty-six".
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