Base | Representation |
---|---|
bin | 110000000100000011… |
… | …0000001100111011111 |
3 | 100212102020020220001001 |
4 | 1200020012001213133 |
5 | 3142341020343234 |
6 | 115225531531131 |
7 | 10312523062156 |
oct | 1401006014737 |
9 | 325366226031 |
10 | 103215012319 |
11 | 3a856202481 |
12 | 180065b9aa7 |
13 | 996b9063b3 |
14 | 4dd203659d |
15 | 2a41600d14 |
hex | 18081819df |
103215012319 has 4 divisors (see below), whose sum is σ = 103436029944. Its totient is φ = 102993994696.
The previous prime is 103215012301. The next prime is 103215012331. The reversal of 103215012319 is 913210512301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 103215012319 - 215 = 103214979551 is a prime.
It is a super-2 number, since 2×1032150123192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103215012419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110508112 + ... + 110509045.
It is an arithmetic number, because the mean of its divisors is an integer number (25859007486).
Almost surely, 2103215012319 is an apocalyptic number.
103215012319 is a deficient number, since it is larger than the sum of its proper divisors (221017625).
103215012319 is an equidigital number, since it uses as much as digits as its factorization.
103215012319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221017624.
The product of its (nonzero) digits is 1620, while the sum is 28.
The spelling of 103215012319 in words is "one hundred three billion, two hundred fifteen million, twelve thousand, three hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •