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144244444253 = 71317257461787
BaseRepresentation
bin1000011001010110100…
…0111000110001011101
3111210022122100222200012
42012111220320301131
54330403034204003
6150133123013005
713264340355230
oct2062550706135
9453278328605
10144244444253
11561a0256a08
1223b5720a165
13107aa02c380
146da5213417
153b4367e8d8
hex2195a38c5d

144244444253 has 64 divisors (see below), whose sum is σ = 189355719168. Its totient is φ = 106628382720.

The previous prime is 144244444217. The next prime is 144244444301. The reversal of 144244444253 is 352444442441.

It is a cyclic number.

It is not a de Polignac number, because 144244444253 - 26 = 144244444189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144244444253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144244444153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183283526 + ... + 183284312.

It is an arithmetic number, because the mean of its divisors is an integer number (2958683112).

Almost surely, 2144244444253 is an apocalyptic number.

144244444253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144244444253 is a deficient number, since it is larger than the sum of its proper divisors (45111274915).

144244444253 is a wasteful number, since it uses less digits than its factorization.

144244444253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 983040, while the sum is 41.

Adding to 144244444253 its reverse (352444442441), we get a palindrome (496688886694).

The spelling of 144244444253 in words is "one hundred forty-four billion, two hundred forty-four million, four hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 7 13 17 91 119 221 257 461 787 1547 1799 3227 3341 4369 5509 5993 7837 10231 13379 23387 30583 41951 54859 56797 71617 93653 101881 118477 173927 202259 362807 397579 713167 829339 1217489 1415813 1540201 2014109 2539649 2629367 3438403 4716491 6167719 10781407 14098763 18405569 24068821 26183417 33015437 43174033 44699239 80180347 93241399 183283919 312894673 561262429 652689793 1212138187 1585103783 8484967309 11095726481 20606349179 144244444253