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131514433442 = 2713121715943
BaseRepresentation
bin111101001111011011…
…1101111111110100010
3110120110110121102202022
41322132313233332202
54123320143332232
6140230014421442
712334023145130
oct1723667577642
9416413542668
10131514433442
1150858518417
12215a3b01882
13c52b87b5b2
146518688750
15364acae812
hex1e9edeffa2

131514433442 has 16 divisors (see below), whose sum is σ = 225470812032. Its totient is φ = 56358954240.

The previous prime is 131514433433. The next prime is 131514433447. The reversal of 131514433442 is 244334415131.

It is not an unprimeable number, because it can be changed into a prime (131514433447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174278 + ... + 541665.

It is an arithmetic number, because the mean of its divisors is an integer number (14091925752).

Almost surely, 2131514433442 is an apocalyptic number.

131514433442 is a deficient number, since it is larger than the sum of its proper divisors (93956378590).

131514433442 is a wasteful number, since it uses less digits than its factorization.

131514433442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729073.

The product of its digits is 69120, while the sum is 35.

Adding to 131514433442 its reverse (244334415131), we get a palindrome (375848848573).

The spelling of 131514433442 in words is "one hundred thirty-one billion, five hundred fourteen million, four hundred thirty-three thousand, four hundred forty-two".

Divisors: 1 2 7 14 13121 26242 91847 183694 715943 1431886 5011601 10023202 9393888103 18787776206 65757216721 131514433442