Base | Representation |
---|---|
bin | 1000010001010111101… |
… | …0001101111000001110 |
3 | 111120210022001022121020 |
4 | 2010111322031320032 |
5 | 4312010441103002 |
6 | 145140332215010 |
7 | 13160256564450 |
oct | 2042572157016 |
9 | 446708038536 |
10 | 142101503502 |
11 | 552a06598a2 |
12 | 2365960a466 |
13 | 105280882aa |
14 | 6c4078a2d0 |
15 | 3a6a4842bc |
hex | 2115e8de0e |
142101503502 has 64 divisors (see below), whose sum is σ = 326842490880. Its totient is φ = 40345784064.
The previous prime is 142101503491. The next prime is 142101503503. The reversal of 142101503502 is 205305101241.
It is a happy number.
142101503502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142101503503) 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, 20915418 + ... + 20922210.
It is an arithmetic number, because the mean of its divisors is an integer number (5106913920).
Almost surely, 2142101503502 is an apocalyptic number.
142101503502 is an abundant number, since it is smaller than the sum of its proper divisors (184740987378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142101503502 is a wasteful number, since it uses less digits than its factorization.
142101503502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9857.
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 142101503502 its reverse (205305101241), we get a palindrome (347406604743).
The spelling of 142101503502 in words is "one hundred forty-two billion, one hundred one million, five hundred three thousand, five hundred two".
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