Base | Representation |
---|---|
bin | 10011110100000100111… |
… | …10111010101111101111 |
3 | 2102002020200222021111222 |
4 | 21322002132322233233 |
5 | 42123231224211131 |
6 | 1240430305333555 |
7 | 100120465212566 |
oct | 11720236725757 |
9 | 2362220867458 |
10 | 680793975791 |
11 | 2427a54a6416 |
12 | abb386372bb |
13 | 4c277416187 |
14 | 24d4465abdd |
15 | 12a97dc387b |
hex | 9e827babef |
680793975791 has 8 divisors (see below), whose sum is σ = 681056792064. Its totient is φ = 680531218840.
The previous prime is 680793975787. The next prime is 680793975811. The reversal of 680793975791 is 197579397086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 680793975791 - 22 = 680793975787 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680793975751) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43501730 + ... + 43517376.
It is an arithmetic number, because the mean of its divisors is an integer number (85132099008).
Almost surely, 2680793975791 is an apocalyptic number.
680793975791 is a deficient number, since it is larger than the sum of its proper divisors (262816273).
680793975791 is a wasteful number, since it uses less digits than its factorization.
680793975791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29661.
The product of its (nonzero) digits is 180033840, while the sum is 71.
The spelling of 680793975791 in words is "six hundred eighty billion, seven hundred ninety-three million, nine hundred seventy-five thousand, seven hundred ninety-one".
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