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143251426401 = 32337515310889
BaseRepresentation
bin1000010101101001110…
…0110100110001100001
3111200202102211110021020
42011122130310301201
54321334331121101
6145450411120053
713230622014366
oct2053234646141
9450672743236
10143251426401
11558307719a6
122391a743029
131067c398245
146d0d3a246d
153ad63cc136
hex215a734c61

143251426401 has 32 divisors (see below), whose sum is σ = 204751514880. Its totient is φ = 88854441984.

The previous prime is 143251426391. The next prime is 143251426429. The reversal of 143251426401 is 104624152341.

It is a happy number.

It is not a de Polignac number, because 143251426401 - 26 = 143251426337 is a prime.

It is a super-2 number, since 2×1432514264012 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143251426001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13150165 + ... + 13161053.

It is an arithmetic number, because the mean of its divisors is an integer number (6398484840).

Almost surely, 2143251426401 is an apocalyptic number.

It is an amenable number.

143251426401 is a deficient number, since it is larger than the sum of its proper divisors (61500088479).

143251426401 is a wasteful number, since it uses less digits than its factorization.

143251426401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16105.

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

Adding to 143251426401 its reverse (104624152341), we get a palindrome (247875578742).

The spelling of 143251426401 in words is "one hundred forty-three billion, two hundred fifty-one million, four hundred twenty-six thousand, four hundred one".

Divisors: 1 3 23 37 69 111 851 2553 5153 10889 15459 32667 118519 190661 250447 355557 402893 571983 751341 1208679 4385203 9266539 13155609 27799617 56111017 168333051 1290553391 2076107629 3871660173 6228322887 47750475467 143251426401