Base | Representation |
---|---|
bin | 111111101010100100… |
… | …101010100011011011 |
3 | 20112110010101021100202 |
4 | 333222210222203123 |
5 | 2110000124130332 |
6 | 51223143452415 |
7 | 4640011215560 |
oct | 775244524333 |
9 | 215403337322 |
10 | 68359989467 |
11 | 26a9a482970 |
12 | 112b975710b |
13 | 65a5743313 |
14 | 3446ca8867 |
15 | 1ba165ba62 |
hex | fea92a8db |
68359989467 has 64 divisors (see below), whose sum is σ = 92986527744. Its totient is φ = 48628285440.
The previous prime is 68359989449. The next prime is 68359989487. The reversal of 68359989467 is 76498995386.
It is not a de Polignac number, because 68359989467 - 218 = 68359727323 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68359989394 and 68359989403.
It is not an unprimeable number, because it can be changed into a prime (68359989407) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6947183 + ... + 6957015.
It is an arithmetic number, because the mean of its divisors is an integer number (1452914496).
Almost surely, 268359989467 is an apocalyptic number.
68359989467 is a deficient number, since it is larger than the sum of its proper divisors (24626538277).
68359989467 is a wasteful number, since it uses less digits than its factorization.
68359989467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10028.
The product of its digits is 705438720, while the sum is 74.
The spelling of 68359989467 in words is "sixty-eight billion, three hundred fifty-nine million, nine hundred eighty-nine thousand, four hundred sixty-seven".
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