Base | Representation |
---|---|
bin | 111100101011111… |
… | …110100101000010 |
3 | 2121221211221222020 |
4 | 330223332211002 |
5 | 4041122131344 |
6 | 245010422310 |
7 | 34142141541 |
oct | 7453764502 |
9 | 2557757866 |
10 | 1018161474 |
11 | 4827a8870 |
12 | 244b91996 |
13 | 132c28815 |
14 | 99318158 |
15 | 5e5bc719 |
hex | 3cafe942 |
1018161474 has 32 divisors (see below), whose sum is σ = 2338364160. Its totient is φ = 292294800.
The previous prime is 1018161461. The next prime is 1018161481. The reversal of 1018161474 is 4741618101.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404712 + ... + 407219.
It is an arithmetic number, because the mean of its divisors is an integer number (73073880).
Almost surely, 21018161474 is an apocalyptic number.
1018161474 is an abundant number, since it is smaller than the sum of its proper divisors (1320202686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1018161474 is a wasteful number, since it uses less digits than its factorization.
1018161474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 811966.
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 1018161474 is about 31908.6426223367. The cubic root of 1018161474 is about 1006.0175412309.
Adding to 1018161474 its reverse (4741618101), we get a palindrome (5759779575).
The spelling of 1018161474 in words is "one billion, eighteen million, one hundred sixty-one thousand, four hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •