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131542003842 = 23120431820449
BaseRepresentation
bin111101010000010000…
…0111011000010000010
3110120112101111011020020
41322200200323002002
54123344223110332
6140232441354310
712334506404244
oct1724040730202
9416471434206
10131542003842
1150872039477
12215b1198996
13c5344b2742
14651c1c4094
15364d40882c
hex1ea083b082

131542003842 has 16 divisors (see below), whose sum is σ = 263105997600. Its totient is φ = 43843669632.

The previous prime is 131542003829. The next prime is 131542003871. The reversal of 131542003842 is 248300245131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837967 + ... + 982482.

It is an arithmetic number, because the mean of its divisors is an integer number (16444124850).

Almost surely, 2131542003842 is an apocalyptic number.

131542003842 is an abundant number, since it is smaller than the sum of its proper divisors (131563993758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131542003842 is a wasteful number, since it uses less digits than its factorization.

131542003842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832497.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 131542003842 its reverse (248300245131), we get a palindrome (379842248973).

The spelling of 131542003842 in words is "one hundred thirty-one billion, five hundred forty-two million, three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 12043 24086 36129 72258 1820449 3640898 5461347 10922694 21923667307 43847334614 65771001921 131542003842