Base | Representation |
---|---|
bin | 1000110110111101… |
… | …1111110000010001 |
3 | 20010201200212021012 |
4 | 2031233133300101 |
5 | 14332234211124 |
6 | 1031545340305 |
7 | 112633664144 |
oct | 21557376021 |
9 | 6121625235 |
10 | 2378038289 |
11 | 1010382400 |
12 | 564497695 |
13 | 2bb899663 |
14 | 187b8405b |
15 | ddb88e0e |
hex | 8dbdfc11 |
2378038289 has 12 divisors (see below), whose sum is σ = 2624845440. Its totient is φ = 2152781400.
The previous prime is 2378038283. The next prime is 2378038307. The reversal of 2378038289 is 9828308732.
It is not a de Polignac number, because 2378038289 - 224 = 2361261073 is a prime.
It is a super-2 number, since 2×23780382892 = 11310132207900095042, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2378038283) 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, 12197 + ... + 70034.
It is an arithmetic number, because the mean of its divisors is an integer number (218737120).
Almost surely, 22378038289 is an apocalyptic number.
It is an amenable number.
2378038289 is a deficient number, since it is larger than the sum of its proper divisors (246807151).
2378038289 is a wasteful number, since it uses less digits than its factorization.
2378038289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82492 (or 82481 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 50.
The square root of 2378038289 is about 48765.1339483447. The cubic root of 2378038289 is about 1334.7695205457.
The spelling of 2378038289 in words is "two billion, three hundred seventy-eight million, thirty-eight thousand, two hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •