Base | Representation |
---|---|
bin | 10011110011010100100… |
… | …01001000010001101011 |
3 | 2102001012101111201220011 |
4 | 21321222101020101223 |
5 | 42121413223124021 |
6 | 1240322113512351 |
7 | 100104433044454 |
oct | 11715221102153 |
9 | 2361171451804 |
10 | 680387708011 |
11 | 24260713a420 |
12 | aba445726b7 |
13 | 4c2111bba3b |
14 | 24d0670412b |
15 | 12a723c2de1 |
hex | 9e6a44846b |
680387708011 has 64 divisors (see below), whose sum is σ = 829180477440. Its totient is φ = 551298960000.
The previous prime is 680387707981. The next prime is 680387708041. The reversal of 680387708011 is 110807783086.
It is an interprime number because it is at equal distance from previous prime (680387707981) and next prime (680387708041).
It is a cyclic number.
It is not a de Polignac number, because 680387708011 - 213 = 680387699819 is a prime.
It is a super-2 number, since 2×6803877080112 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (680387708041) 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, 45974065 + ... + 45988861.
It is an arithmetic number, because the mean of its divisors is an integer number (12955944960).
Almost surely, 2680387708011 is an apocalyptic number.
680387708011 is a deficient number, since it is larger than the sum of its proper divisors (148792769429).
680387708011 is a wasteful number, since it uses less digits than its factorization.
680387708011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15056.
The product of its (nonzero) digits is 451584, while the sum is 49.
The spelling of 680387708011 in words is "six hundred eighty billion, three hundred eighty-seven million, seven hundred eight thousand, eleven".
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