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143440442210 = 25131103388017
BaseRepresentation
bin1000010110010110110…
…1110111001101100010
3111201020121111110012202
42011211231313031202
54322231223122320
6145521242253202
713235405433032
oct2054555671542
9451217443182
10143440442210
115591843230a
1223971ab7202
13106ac5a7a10
146d2a5258c2
153ae7cb6b75
hex2165b77362

143440442210 has 16 divisors (see below), whose sum is σ = 278053780536. Its totient is φ = 52962624768.

The previous prime is 143440442203. The next prime is 143440442213. The reversal of 143440442210 is 12244044341.

It can be written as a sum of positive squares in 4 ways, for example, as 93045131089 + 50395311121 = 305033^2 + 224489^2 .

It is a super-2 number, since 2×1434404422102 (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 (143440442213) 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, 551693879 + ... + 551694138.

Almost surely, 2143440442210 is an apocalyptic number.

143440442210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143440442210 is a deficient number, since it is larger than the sum of its proper divisors (134613338326).

143440442210 is a wasteful number, since it uses less digits than its factorization.

143440442210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103388037.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 143440442210 its reverse (12244044341), we get a palindrome (155684486551).

The spelling of 143440442210 in words is "one hundred forty-three billion, four hundred forty million, four hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 1103388017 2206776034 5516940085 11033880170 14344044221 28688088442 71720221105 143440442210