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1144312232101 = 2235131444987
BaseRepresentation
bin10000101001101110010…
…100101111100010100101
311001101200002100101121021
4100221232110233202211
5122222022412411401
62233404554251141
7145450060325413
oct20515624574245
94041602311537
101144312232101
11401333471915
12165937a26ab1
1383ba637085c
143d5566642b3
151eb75d362a1
hex10a6e52f8a5

1144312232101 has 4 divisors (see below), whose sum is σ = 1149443677312. Its totient is φ = 1139180786892.

The previous prime is 1144312232099. The next prime is 1144312232111. The reversal of 1144312232101 is 1012322134411.

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 1144312232101 - 21 = 1144312232099 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 (1144312232111) 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, 2565722271 + ... + 2565722716.

It is an arithmetic number, because the mean of its divisors is an integer number (287360919328).

Almost surely, 21144312232101 is an apocalyptic number.

It is an amenable number.

1144312232101 is a deficient number, since it is larger than the sum of its proper divisors (5131445211).

1144312232101 is an equidigital number, since it uses as much as digits as its factorization.

1144312232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131445210.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1144312232101 its reverse (1012322134411), we get a palindrome (2156634366512).

The spelling of 1144312232101 in words is "one trillion, one hundred forty-four billion, three hundred twelve million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 223 5131444987 1144312232101