Base | Representation |
---|---|
bin | 10011110010101110110… |
… | …10010001010111100010 |
3 | 2102000101100012110001200 |
4 | 21321113122101113202 |
5 | 42120241230244232 |
6 | 1240230452542030 |
7 | 100063541663340 |
oct | 11712732212742 |
9 | 2360340173050 |
10 | 680071337442 |
11 | 2424645a4542 |
12 | ab976621916 |
13 | 4c1907ab813 |
14 | 24cb66ac990 |
15 | 12a5472d77c |
hex | 9e576915e2 |
680071337442 has 48 divisors (see below), whose sum is σ = 1712528326080. Its totient is φ = 191012770656.
The previous prime is 680071337441. The next prime is 680071337443. The reversal of 680071337442 is 244733170086.
It is an interprime number because it is at equal distance from previous prime (680071337441) and next prime (680071337443).
It is a super-2 number, since 2×6800713374422 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (680071337441) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45733173 + ... + 45748040.
It is an arithmetic number, because the mean of its divisors is an integer number (35677673460).
Almost surely, 2680071337442 is an apocalyptic number.
680071337442 is an abundant number, since it is smaller than the sum of its proper divisors (1032456988638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680071337442 is a wasteful number, since it uses less digits than its factorization.
680071337442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91481287 (or 91481284 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
The spelling of 680071337442 in words is "six hundred eighty billion, seventy-one million, three hundred thirty-seven thousand, four hundred forty-two".
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