Base | Representation |
---|---|
bin | 100101000001000… |
… | …0000011011110110 |
3 | 10012120010011122111 |
4 | 1022002000123312 |
5 | 10020430240204 |
6 | 323125121234 |
7 | 42531111013 |
oct | 11202003366 |
9 | 3176104574 |
10 | 1242040054 |
11 | 588110092 |
12 | 2a7b5921a |
13 | 16a423758 |
14 | bad5470a |
15 | 74091d04 |
hex | 4a0806f6 |
1242040054 has 32 divisors (see below), whose sum is σ = 1946488320. Its totient is φ = 594009312.
The previous prime is 1242040049. The next prime is 1242040069. The reversal of 1242040054 is 4500402421.
It is a happy number.
It is a super-3 number, since 3×12420400543 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694149 + ... + 695935.
It is an arithmetic number, because the mean of its divisors is an integer number (60827760).
Almost surely, 21242040054 is an apocalyptic number.
1242040054 is a deficient number, since it is larger than the sum of its proper divisors (704448266).
1242040054 is a wasteful number, since it uses less digits than its factorization.
1242040054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2004.
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 1242040054 is about 35242.5886393154. The cubic root of 1242040054 is about 1074.9259163657.
Adding to 1242040054 its reverse (4500402421), we get a palindrome (5742442475).
The spelling of 1242040054 in words is "one billion, two hundred forty-two million, forty thousand, fifty-four".
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