Base | Representation |
---|---|
bin | 1000001101101… |
… | …01100100001001 |
3 | 11210122112120200 |
4 | 10012311210021 |
5 | 120114314004 |
6 | 10500442413 |
7 | 1464435633 |
oct | 406654411 |
9 | 153575520 |
10 | 68901129 |
11 | 35990490 |
12 | 1b0a9409 |
13 | 113755cb |
14 | 9217a53 |
15 | 60b0239 |
hex | 41b5909 |
68901129 has 48 divisors (see below), whose sum is σ = 113892480. Its totient is φ = 39755520.
The previous prime is 68901121. The next prime is 68901139. The reversal of 68901129 is 92110986.
It is not a de Polignac number, because 68901129 - 23 = 68901121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68901093 and 68901102.
It is not an unprimeable number, because it can be changed into a prime (68901121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295597 + ... + 295829.
It is an arithmetic number, because the mean of its divisors is an integer number (2372760).
Almost surely, 268901129 is an apocalyptic number.
It is an amenable number.
68901129 is a deficient number, since it is larger than the sum of its proper divisors (44991351).
68901129 is a wasteful number, since it uses less digits than its factorization.
68901129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 36.
The square root of 68901129 is about 8300.6703946127. The cubic root of 68901129 is about 409.9605930795.
The spelling of 68901129 in words is "sixty-eight million, nine hundred one thousand, one hundred twenty-nine".
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