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144244123431 = 3401119903677
BaseRepresentation
bin1000011001010110011…
…1101010011100100111
3111210022121202200120220
42012111213222130213
54330402443422211
6150133112055423
713264334551002
oct2062547523447
9453277680526
10144244123431
11561a0057971
1223b57094573
13107a9c49335
146da516c539
153b43619806
hex21959ea727

144244123431 has 8 divisors (see below), whose sum is σ = 192805114224. Its totient is φ = 95922940800.

The previous prime is 144244123379. The next prime is 144244123447. The reversal of 144244123431 is 134321442441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144244123431 - 215 = 144244090663 is a prime.

It is a super-2 number, since 2×1442441234312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144244123392 and 144244123401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144244121431) 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, 59950636 + ... + 59953041.

It is an arithmetic number, because the mean of its divisors is an integer number (24100639278).

Almost surely, 2144244123431 is an apocalyptic number.

144244123431 is a deficient number, since it is larger than the sum of its proper divisors (48560990793).

144244123431 is a wasteful number, since it uses less digits than its factorization.

144244123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119904081.

The product of its digits is 36864, while the sum is 33.

Adding to 144244123431 its reverse (134321442441), we get a palindrome (278565565872).

The spelling of 144244123431 in words is "one hundred forty-four billion, two hundred forty-four million, one hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 401 1203 119903677 359711031 48081374477 144244123431