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131422241450 = 2522628444829
BaseRepresentation
bin111101001100101100…
…0000100001010101010
3110120020001010121010002
41322121120010022222
54123123043211300
6140212522423002
712331523422613
oct1723130041252
9416201117102
10131422241450
115081047a195
1221579061a62
13c51573ca16
14650a32ac0a
153642b4d5d5
hex1e996042aa

131422241450 has 12 divisors (see below), whose sum is σ = 244445369190. Its totient is φ = 52568896560.

The previous prime is 131422241437. The next prime is 131422241459. The reversal of 131422241450 is 54142224131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 118156500121 + 13265741329 = 343739^2 + 115177^2 .

It is not an unprimeable number, because it can be changed into a prime (131422241459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1314222365 + ... + 1314222464.

Almost surely, 2131422241450 is an apocalyptic number.

131422241450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131422241450 is a deficient number, since it is larger than the sum of its proper divisors (113023127740).

131422241450 is a wasteful number, since it uses less digits than its factorization.

131422241450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628444841 (or 2628444836 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 131422241450 its reverse (54142224131), we get a palindrome (185564465581).

The spelling of 131422241450 in words is "one hundred thirty-one billion, four hundred twenty-two million, two hundred forty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2628444829 5256889658 13142224145 26284448290 65711120725 131422241450