Base | Representation |
---|---|
bin | 101011100111111010… |
… | …0000101011011111001 |
3 | 22221210210001022000100 |
4 | 1113033310011123321 |
5 | 3013324244210211 |
6 | 111011505430013 |
7 | 6524333043435 |
oct | 1271764053371 |
9 | 287723038010 |
10 | 93680850681 |
11 | 36803441750 |
12 | 161a563b309 |
13 | 8aac59ca32 |
14 | 4769ad59c5 |
15 | 26845ae156 |
hex | 15cfd056f9 |
93680850681 has 12 divisors (see below), whose sum is σ = 147618310320. Its totient is φ = 56776273080.
The previous prime is 93680850667. The next prime is 93680850719. The reversal of 93680850681 is 18605808639.
It is not a de Polignac number, because 93680850681 - 214 = 93680834297 is a prime.
It is a super-2 number, since 2×936808506812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (93680850631) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473135511 + ... + 473135708.
It is an arithmetic number, because the mean of its divisors is an integer number (12301525860).
Almost surely, 293680850681 is an apocalyptic number.
It is an amenable number.
93680850681 is a deficient number, since it is larger than the sum of its proper divisors (53937459639).
93680850681 is a wasteful number, since it uses less digits than its factorization.
93680850681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 946271236 (or 946271233 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The spelling of 93680850681 in words is "ninety-three billion, six hundred eighty million, eight hundred fifty thousand, six hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •