Base | Representation |
---|---|
bin | 111111111010101… |
… | …111101001101010 |
3 | 2202201211202001022 |
4 | 333322233221222 |
5 | 4144011123023 |
6 | 254224252442 |
7 | 35400642026 |
oct | 7772575152 |
9 | 2681752038 |
10 | 1072364138 |
11 | 50035a05a |
12 | 25b171122 |
13 | 141225ac1 |
14 | a25c7386 |
15 | 642277c8 |
hex | 3feafa6a |
1072364138 has 4 divisors (see below), whose sum is σ = 1608546210. Its totient is φ = 536182068.
The previous prime is 1072364129. The next prime is 1072364141. The reversal of 1072364138 is 8314632701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8314632701 = 2213 ⋅3757177.
It can be written as a sum of positive squares in only one way, i.e., 788879569 + 283484569 = 28087^2 + 16837^2 .
It is a super-2 number, since 2×10723641382 = 2299929688936966088, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1072364098 and 1072364107.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268091033 + ... + 268091036.
Almost surely, 21072364138 is an apocalyptic number.
1072364138 is a deficient number, since it is larger than the sum of its proper divisors (536182072).
1072364138 is an equidigital number, since it uses as much as digits as its factorization.
1072364138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 536182071.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 1072364138 is about 32746.9714324852. The cubic root of 1072364138 is about 1023.5618579728.
Adding to 1072364138 its reverse (8314632701), we get a palindrome (9386996839).
The spelling of 1072364138 in words is "one billion, seventy-two million, three hundred sixty-four thousand, one hundred thirty-eight".
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