Base | Representation |
---|---|
bin | 1000010010111110010… |
… | …1100101001011011011 |
3 | 111121220022200010101210 |
4 | 2010233211211023123 |
5 | 4313401232122111 |
6 | 145251201514203 |
7 | 13204040400414 |
oct | 2045745451333 |
9 | 447808603353 |
10 | 142532301531 |
11 | 554a184a824 |
12 | 23759942963 |
13 | 105963c0b79 |
14 | 6c81a8a80b |
15 | 3a931cd0a6 |
hex | 212f9652db |
142532301531 has 16 divisors (see below), whose sum is σ = 192083752224. Its totient is φ = 94005928704.
The previous prime is 142532301529. The next prime is 142532301551. The reversal of 142532301531 is 135103235241.
It is not a de Polignac number, because 142532301531 - 21 = 142532301529 is a prime.
It is a super-2 number, since 2×1425323015312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142532301511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471376 + ... + 712221.
It is an arithmetic number, because the mean of its divisors is an integer number (12005234514).
Almost surely, 2142532301531 is an apocalyptic number.
142532301531 is a deficient number, since it is larger than the sum of its proper divisors (49551450693).
142532301531 is a wasteful number, since it uses less digits than its factorization.
142532301531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184030.
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 142532301531 its reverse (135103235241), we get a palindrome (277635536772).
The spelling of 142532301531 in words is "one hundred forty-two billion, five hundred thirty-two million, three hundred one thousand, five hundred thirty-one".
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