Base | Representation |
---|---|
bin | 1001010110111010001… |
… | …0111110000101110011 |
3 | 120100222020012111111112 |
4 | 2111232202332011303 |
5 | 10113223210412211 |
6 | 201504521503535 |
7 | 14420664166634 |
oct | 2255642760563 |
9 | 510866174445 |
10 | 160768450931 |
11 | 621aa665780 |
12 | 271a9041bab |
13 | 1221152470a |
14 | 7ad19c988b |
15 | 42ae18188b |
hex | 256e8be173 |
160768450931 has 16 divisors (see below), whose sum is σ = 177889946208. Its totient is φ = 144066988800.
The previous prime is 160768450907. The next prime is 160768450949. The reversal of 160768450931 is 139054867061.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-160768450931 is a prime.
It is a super-2 number, since 2×1607684509312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 160768450931.
It is not an unprimeable number, because it can be changed into a prime (160768450901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340525 + ... + 1455521.
It is an arithmetic number, because the mean of its divisors is an integer number (11118121638).
Almost surely, 2160768450931 is an apocalyptic number.
160768450931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
160768450931 is a deficient number, since it is larger than the sum of its proper divisors (17121495277).
160768450931 is a wasteful number, since it uses less digits than its factorization.
160768450931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116822.
The product of its (nonzero) digits is 1088640, while the sum is 50.
The spelling of 160768450931 in words is "one hundred sixty billion, seven hundred sixty-eight million, four hundred fifty thousand, nine hundred thirty-one".
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