Search a number
-
+
142532301531 = 31372931183597
BaseRepresentation
bin1000010010111110010…
…1100101001011011011
3111121220022200010101210
42010233211211023123
54313401232122111
6145251201514203
713204040400414
oct2045745451333
9447808603353
10142532301531
11554a184a824
1223759942963
13105963c0b79
146c81a8a80b
153a931cd0a6
hex212f9652db

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".

Divisors: 1 3 137 293 411 879 40141 120423 1183597 3550791 162152789 346793921 486458367 1040381763 47510767177 142532301531