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144285715910 = 2575097975081
BaseRepresentation
bin1000011001100000011…
…0010100110111000110
3111210102112000210202002
42012120012110313012
54330444120402120
6150141155345302
713265351230610
oct2063006246706
9453375023662
10144285715910
1156211585a16
1223b68bb2232
13107b574c97b
146daa8b7db0
153b470d3375
hex2198194dc6

144285715910 has 64 divisors (see below), whose sum is σ = 297831219840. Its totient is φ = 49300546560.

The previous prime is 144285715909. The next prime is 144285715939. The reversal of 144285715910 is 19517582441.

It is a super-2 number, since 2×1442857159102 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28394570 + ... + 28399650.

It is an arithmetic number, because the mean of its divisors is an integer number (4653612810).

Almost surely, 2144285715910 is an apocalyptic number.

144285715910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144285715910 is an abundant number, since it is smaller than the sum of its proper divisors (153545503930).

144285715910 is a wasteful number, since it uses less digits than its factorization.

144285715910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 144285715910 in words is "one hundred forty-four billion, two hundred eighty-five million, seven hundred fifteen thousand, nine hundred ten".

Divisors: 1 2 5 7 10 14 35 70 509 797 1018 1594 2545 3563 3985 5081 5090 5579 7126 7970 10162 11158 17815 25405 27895 35567 35630 50810 55790 71134 177835 355670 405673 811346 2028365 2586229 2839711 4049557 4056730 5172458 5679422 8099114 12931145 14198555 18103603 20247785 25862290 28346899 28397110 36207206 40495570 56693798 90518015 141734495 181036030 283468990 2061224513 4122449026 10306122565 14428571591 20612245130 28857143182 72142857955 144285715910