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141444220421 = 723321866443
BaseRepresentation
bin1000001110111010111…
…0111000011000000101
3111112002111020212201102
42003232232320120011
54304134210023141
6144551212305445
713135056015320
oct2035656703005
9445074225642
10141444220421
1154a93636339
12234b5472285
1310451b542aa
146bbb3717b7
153a2c8ed99b
hex20eebb8605

141444220421 has 8 divisors (see below), whose sum is σ = 161657655744. Its totient is φ = 121232564640.

The previous prime is 141444220391. The next prime is 141444220429. The reversal of 141444220421 is 124022444141.

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 141444220421 - 214 = 141444204037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141444220429) 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, 269975 + ... + 596468.

It is an arithmetic number, because the mean of its divisors is an integer number (20207206968).

Almost surely, 2141444220421 is an apocalyptic number.

It is an amenable number.

141444220421 is a deficient number, since it is larger than the sum of its proper divisors (20213435323).

141444220421 is an equidigital number, since it uses as much as digits as its factorization.

141444220421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889771.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 141444220421 its reverse (124022444141), we get a palindrome (265466664562).

The spelling of 141444220421 in words is "one hundred forty-one billion, four hundred forty-four million, two hundred twenty thousand, four hundred twenty-one".

Divisors: 1 7 23321 163247 866443 6065101 20206317203 141444220421