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143215426540 = 2257160771327
BaseRepresentation
bin1000010101100001001…
…1011111101111101100
3111200122221002110202001
42011120103133233230
54321301122122130
6145443043342044
713230004016464
oct2053023375754
9450587073661
10143215426540
115581241374a
122390a681924
1310674aa2354
146d086b0ba4
153ad316a6ca
hex21584dfbec

143215426540 has 12 divisors (see below), whose sum is σ = 300752395776. Its totient is φ = 57286170608.

The previous prime is 143215426531. The next prime is 143215426553. The reversal of 143215426540 is 45624512341.

143215426540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143215426540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580385644 + ... + 3580385683.

It is an arithmetic number, because the mean of its divisors is an integer number (25062699648).

Almost surely, 2143215426540 is an apocalyptic number.

143215426540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143215426540 is an abundant number, since it is smaller than the sum of its proper divisors (157536969236).

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

143215426540 is a wasteful number, since it uses less digits than its factorization.

143215426540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160771336 (or 7160771334 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 143215426540 its reverse (45624512341), we get a palindrome (188839938881).

The spelling of 143215426540 in words is "one hundred forty-three billion, two hundred fifteen million, four hundred twenty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 7160771327 14321542654 28643085308 35803856635 71607713270 143215426540