Search a number
-
+
143220040041221 = 11131001538741547
BaseRepresentation
bin100000100100001000000011…
…100111001000001100000101
3200210002200221211200002000122
4200210020003213020030011
5122233004120222304341
61224334213400151325
742111210051033263
oct4044100347101405
9623080854602018
10143220040041221
11416a8306956760
1214091005768545
1361bb790316910
142751c5ba11433
1511857366ce94b
hex8242039c8305

143220040041221 has 8 divisors (see below), whose sum is σ = 168258508580064. Its totient is φ = 120184648985520.

The previous prime is 143220040041193. The next prime is 143220040041227. The reversal of 143220040041221 is 122140040022341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143220040041221 - 234 = 143202860172037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143220040041227) 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, 500769370631 + ... + 500769370916.

It is an arithmetic number, because the mean of its divisors is an integer number (21032313572508).

Almost surely, 2143220040041221 is an apocalyptic number.

143220040041221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143220040041221 is a deficient number, since it is larger than the sum of its proper divisors (25038468538843).

143220040041221 is a wasteful number, since it uses less digits than its factorization.

143220040041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001538741571.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 143220040041221 its reverse (122140040022341), we get a palindrome (265360080063562).

The spelling of 143220040041221 in words is "one hundred forty-three trillion, two hundred twenty billion, forty million, forty-one thousand, two hundred twenty-one".

Divisors: 1 11 13 143 1001538741547 11016926157017 13020003640111 143220040041221