Base | Representation |
---|---|
bin | 10011000100111100… |
… | …10010000110100111 |
3 | 222102210012112220101 |
4 | 21202132102012213 |
5 | 131433430241411 |
6 | 4412150244531 |
7 | 511543622413 |
oct | 114236220647 |
9 | 28383175811 |
10 | 10242040231 |
11 | 4386401465 |
12 | 1b9a056747 |
13 | c72ba3b47 |
14 | 6d2369d43 |
15 | 3ee26d8c1 |
hex | 2627921a7 |
10242040231 has 32 divisors (see below), whose sum is σ = 11386137600. Its totient is φ = 9169459200.
The previous prime is 10242040223. The next prime is 10242040243. The reversal of 10242040231 is 13204024201.
It is a cyclic number.
It is not a de Polignac number, because 10242040231 - 23 = 10242040223 is a prime.
It is a super-2 number, since 2×102420402312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 10242040199 and 10242040208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10242040271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17750215 + ... + 17750791.
It is an arithmetic number, because the mean of its divisors is an integer number (355816800).
Almost surely, 210242040231 is an apocalyptic number.
10242040231 is a deficient number, since it is larger than the sum of its proper divisors (1144097369).
10242040231 is a wasteful number, since it uses less digits than its factorization.
10242040231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1039.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 10242040231 its reverse (13204024201), we get a palindrome (23446064432).
The spelling of 10242040231 in words is "ten billion, two hundred forty-two million, forty thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •