Base | Representation |
---|---|
bin | 111100001001100… |
… | …101100000110110 |
3 | 2121022212220221110 |
4 | 330021211200312 |
5 | 4031320132120 |
6 | 244045255450 |
7 | 34002412233 |
oct | 7411454066 |
9 | 2538786843 |
10 | 1009145910 |
11 | 478700293 |
12 | 241b64586 |
13 | 1310c0076 |
14 | 9804c78a |
15 | 5d8db2e0 |
hex | 3c265836 |
1009145910 has 16 divisors (see below), whose sum is σ = 2421950256. Its totient is φ = 269105568.
The previous prime is 1009145873. The next prime is 1009145911. The reversal of 1009145910 is 195419001.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 33638197 = 1009145910 / (1 + 0 + 0 + 9 + 1 + 4 + 5 + 9 + 1 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1009145911) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16819069 + ... + 16819128.
It is an arithmetic number, because the mean of its divisors is an integer number (151371891).
Almost surely, 21009145910 is an apocalyptic number.
1009145910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1009145910 is an abundant number, since it is smaller than the sum of its proper divisors (1412804346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1009145910 is a wasteful number, since it uses less digits than its factorization.
1009145910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33638207.
The product of its (nonzero) digits is 1620, while the sum is 30.
The square root of 1009145910 is about 31767.0569930549. The cubic root of 1009145910 is about 1003.0393894194.
The spelling of 1009145910 in words is "one billion, nine million, one hundred forty-five thousand, nine hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •