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1144310302231 = 2939458975939
BaseRepresentation
bin10000101001101110001…
…101011000011000010111
311001101122221201100022121
4100221232031120120113
5122222021414132411
62233404445040411
7145450035040105
oct20515615303027
94041587640277
101144310302231
11401332373988
12165937256107
1383ba5b46315
143d5562c0c75
151eb75aa4571
hex10a6e358617

1144310302231 has 4 divisors (see below), whose sum is σ = 1183769278200. Its totient is φ = 1104851326264.

The previous prime is 1144310302181. The next prime is 1144310302241. The reversal of 1144310302231 is 1322030134411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1144310302231 is a prime.

It is a super-2 number, since 2×11443103022312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144310302196 and 1144310302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144310302241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19729487941 + ... + 19729487998.

It is an arithmetic number, because the mean of its divisors is an integer number (295942319550).

Almost surely, 21144310302231 is an apocalyptic number.

1144310302231 is a deficient number, since it is larger than the sum of its proper divisors (39458975969).

1144310302231 is an equidigital number, since it uses as much as digits as its factorization.

1144310302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39458975968.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1144310302231 its reverse (1322030134411), we get a palindrome (2466340436642).

The spelling of 1144310302231 in words is "one trillion, one hundred forty-four billion, three hundred ten million, three hundred two thousand, two hundred thirty-one".

Divisors: 1 29 39458975939 1144310302231