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143414978353 = 222736438961
BaseRepresentation
bin1000010110010000110…
…0101110011100110001
3111201011211120202100221
42011210030232130301
54322203213301403
6145514532413041
713234646126263
oct2054414563461
9451154522327
10143414978353
115590501a9a9
1223965477181
13106a723064a
146d26db7b33
153ae5936dbd
hex216432e731

143414978353 has 4 divisors (see below), whose sum is σ = 143421439588. Its totient is φ = 143408517120.

The previous prime is 143414978323. The next prime is 143414978363. The reversal of 143414978353 is 353879414341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353879414341 = 523216763621.

It can be written as a sum of positive squares in 2 ways, for example, as 16075196944 + 127339781409 = 126788^2 + 356847^2 .

It is a cyclic number.

It is not a de Polignac number, because 143414978353 - 213 = 143414970161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143414978353.

It is not an unprimeable number, because it can be changed into a prime (143414978323) 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 3 ways as a sum of consecutive naturals, for example, 3197208 + ... + 3241753.

It is an arithmetic number, because the mean of its divisors is an integer number (35855359897).

Almost surely, 2143414978353 is an apocalyptic number.

It is an amenable number.

143414978353 is a deficient number, since it is larger than the sum of its proper divisors (6461235).

143414978353 is an equidigital number, since it uses as much as digits as its factorization.

143414978353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461234.

The product of its digits is 4354560, while the sum is 52.

The spelling of 143414978353 in words is "one hundred forty-three billion, four hundred fourteen million, nine hundred seventy-eight thousand, three hundred fifty-three".

Divisors: 1 22273 6438961 143414978353