Base | Representation |
---|---|
bin | 110100101110010… |
… | …1110011100110000 |
3 | 11120021221112001110 |
4 | 1221130232130300 |
5 | 12110344403333 |
6 | 451314433320 |
7 | 61561265433 |
oct | 15134563460 |
9 | 4507845043 |
10 | 1769137968 |
11 | 8286a55a4 |
12 | 414592840 |
13 | 2226a5900 |
14 | 12ad6181a |
15 | a54ae063 |
hex | 6972e730 |
1769137968 has 90 divisors (see below), whose sum is σ = 4959495444. Its totient is φ = 543184512.
The previous prime is 1769137961. The next prime is 1769137973. The reversal of 1769137968 is 8697319671.
1769137968 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (1769137961) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3788071 + ... + 3788537.
Almost surely, 21769137968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1769137968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479747722).
1769137968 is an abundant number, since it is smaller than the sum of its proper divisors (3190357476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1769137968 is an equidigital number, since it uses as much as digits as its factorization.
1769137968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 971 (or 485 counting only the distinct ones).
The product of its digits is 3429216, while the sum is 57.
The square root of 1769137968 is about 42061.1218110026. The cubic root of 1769137968 is about 1209.4480938161.
The spelling of 1769137968 in words is "one billion, seven hundred sixty-nine million, one hundred thirty-seven thousand, nine hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •