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2013243411220 = 225531919943907
BaseRepresentation
bin11101010010111110101…
…010001000101100010100
321010110112101122211211221
4131102332222020230110
5230441110303124340
64140512105140124
7265311022433266
oct35227652105424
97113471584757
102013243411220
117068a2469738
1228621b18a644
13117b041ac782
146d62769bb36
15375809b144a
hex1d4bea88b14

2013243411220 has 48 divisors (see below), whose sum is σ = 4330134402048. Its totient is φ = 785966330240.

The previous prime is 2013243411191. The next prime is 2013243411229. The reversal of 2013243411220 is 221143423102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013243411229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4769494 + ... + 5174413.

It is an arithmetic number, because the mean of its divisors is an integer number (90211133376).

Almost surely, 22013243411220 is an apocalyptic number.

2013243411220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013243411220 is an abundant number, since it is smaller than the sum of its proper divisors (2316890990828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013243411220 is a wasteful number, since it uses less digits than its factorization.

2013243411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9944160 (or 9944158 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2013243411220 its reverse (221143423102), we get a palindrome (2234386834322).

The spelling of 2013243411220 in words is "two trillion, thirteen billion, two hundred forty-three million, four hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 191 212 265 382 530 764 955 1060 1910 3820 10123 20246 40492 50615 101230 202460 9943907 19887814 39775628 49719535 99439070 198878140 527027071 1054054142 1899286237 2108108284 2635135355 3798572474 5270270710 7597144948 9496431185 10540541420 18992862370 37985724740 100662170561 201324341122 402648682244 503310852805 1006621705610 2013243411220