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144121001411021 = 163884177922767
BaseRepresentation
bin100000110001001111001001…
…000110000000000111001101
3200220021211111101102210200212
4200301033021012000013031
5122342234302330123041
61230304135105132205
742233253524233235
oct4061171106000715
9626254441383625
10144121001411021
1141a15412084948
12141b774792a065
13625572400599b
1427836ca96acc5
15119ddb830b8eb
hex8313c91801cd

144121001411021 has 4 divisors (see below), whose sum is σ = 145005179333952. Its totient is φ = 143236823488092.

The previous prime is 144121001411011. The next prime is 144121001411087. The reversal of 144121001411021 is 120114100121441.

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 144121001411021 - 234 = 144103821541837 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 (144121001411011) 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, 442088961221 + ... + 442088961546.

It is an arithmetic number, because the mean of its divisors is an integer number (36251294833488).

Almost surely, 2144121001411021 is an apocalyptic number.

It is an amenable number.

144121001411021 is a deficient number, since it is larger than the sum of its proper divisors (884177922931).

144121001411021 is an equidigital number, since it uses as much as digits as its factorization.

144121001411021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884177922930.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 144121001411021 its reverse (120114100121441), we get a palindrome (264235101532462).

The spelling of 144121001411021 in words is "one hundred forty-four trillion, one hundred twenty-one billion, one million, four hundred eleven thousand, twenty-one".

Divisors: 1 163 884177922767 144121001411021