Base | Representation |
---|---|
bin | 1000010101000110001… |
… | …1101100010111101010 |
3 | 111200101001002121002020 |
4 | 2011101203230113222 |
5 | 4321033132411132 |
6 | 145423521245310 |
7 | 13224130621410 |
oct | 2052143542752 |
9 | 450331077066 |
10 | 143102232042 |
11 | 5576452aa80 |
12 | 23898793836 |
13 | 106574bbc63 |
14 | 6cd76472b0 |
15 | 3ac825b52c |
hex | 21518ec5ea |
143102232042 has 128 divisors (see below), whose sum is σ = 366783344640. Its totient is φ = 36144675840.
The previous prime is 143102232029. The next prime is 143102232067. The reversal of 143102232042 is 240232201341.
It is a happy number.
It is a super-2 number, since 2×1431022320422 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2741059 + ... + 2792777.
It is an arithmetic number, because the mean of its divisors is an integer number (2865494880).
Almost surely, 2143102232042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143102232042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183391672320).
143102232042 is an abundant number, since it is smaller than the sum of its proper divisors (223681112598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143102232042 is a wasteful number, since it uses less digits than its factorization.
143102232042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51908.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 143102232042 its reverse (240232201341), we get a palindrome (383334433383).
The spelling of 143102232042 in words is "one hundred forty-three billion, one hundred two million, two hundred thirty-two thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •