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143401404244 = 2275121478723
BaseRepresentation
bin1000010110001101100…
…0111100011101010100
3111201010220001010012011
42011203120330131110
54322141224413434
6145513325434004
713234422552520
oct2054330743524
9451126033164
10143401404244
11558a839952a
1223960a0b904
13106a448a027
146d25282d80
153ae4654e64
hex216363c754

143401404244 has 12 divisors (see below), whose sum is σ = 286802808544. Its totient is φ = 61457744664.

The previous prime is 143401404241. The next prime is 143401404259. The reversal of 143401404244 is 442404104341.

143401404244 is an admirable number.

It is a super-2 number, since 2×1434014042442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401404241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560739334 + ... + 2560739389.

Almost surely, 2143401404244 is an apocalyptic number.

143401404244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143401404244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143401404244 is a wasteful number, since it uses less digits than its factorization.

143401404244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121478734 (or 5121478732 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 143401404244 its reverse (442404104341), we get a palindrome (585805508585).

The spelling of 143401404244 in words is "one hundred forty-three billion, four hundred one million, four hundred four thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 5121478723 10242957446 20485914892 35850351061 71700702122 143401404244