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142120404021241 = 268752891851143
BaseRepresentation
bin100000010100000111111100…
…001100100110111111111001
3200122012120121022111102000101
4200110013330030212333321
5122112000041412134431
61222133113504035401
741635601046060052
oct4024077414467771
9618176538442011
10142120404021241
1141313a19aa92a8
1213b33a77902b61
13613bb86a7ab49
142714942a13729
151166d27b79961
hex8141fc326ff9

142120404021241 has 4 divisors (see below), whose sum is σ = 142173295875072. Its totient is φ = 142067512167412.

The previous prime is 142120404021221. The next prime is 142120404021391.

142120404021241 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142120404021241 - 25 = 142120404021209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120404021221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26445922885 + ... + 26445928258.

It is an arithmetic number, because the mean of its divisors is an integer number (35543323968768).

Almost surely, 2142120404021241 is an apocalyptic number.

It is an amenable number.

142120404021241 is a deficient number, since it is larger than the sum of its proper divisors (52891853831).

142120404021241 is an equidigital number, since it uses as much as digits as its factorization.

142120404021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52891853830.

The product of its (nonzero) digits is 4096, while the sum is 28.

It can be divided in two parts, 14212040 and 4021241, that added together give a palindrome (18233281).

The spelling of 142120404021241 in words is "one hundred forty-two trillion, one hundred twenty billion, four hundred four million, twenty-one thousand, two hundred forty-one".

Divisors: 1 2687 52891851143 142120404021241