Search a number
-
+
2013011012220 = 22351324847103867
BaseRepresentation
bin11101010010110000110…
…011100110101001111100
321010102221012100202100120
4131102300303212221330
5230440121304342340
64140433044054540
7265302201166215
oct35226063465174
97112835322316
102013011012220
1170679326794a
12286175394450
13117a97cc0580
146d60488440c
153756a3a74d0
hex1d4b0ce6a7c

2013011012220 has 96 divisors (see below), whose sum is σ = 6070305174528. Its totient is φ = 495485690112.

The previous prime is 2013011012213. The next prime is 2013011012249. The reversal of 2013011012220 is 222101103102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2013011012220.

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, 19328727 + ... + 19432593.

It is an arithmetic number, because the mean of its divisors is an integer number (63232345568).

Almost surely, 22013011012220 is an apocalyptic number.

2013011012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013011012220 is an abundant number, since it is smaller than the sum of its proper divisors (4057294162308).

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

2013011012220 is a wasteful number, since it uses less digits than its factorization.

2013011012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128739 (or 128737 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2013011012220 its reverse (222101103102), we get a palindrome (2235112115322).

The spelling of 2013011012220 in words is "two trillion, thirteen billion, eleven million, twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 24847 49694 74541 99388 103867 124235 149082 207734 248470 298164 311601 323011 372705 415468 496940 519335 623202 646022 745410 969033 1038670 1246404 1292044 1350271 1490820 1558005 1615055 1938066 2077340 2700542 3116010 3230110 3876132 4050813 4845165 5401084 6232020 6460220 6751355 8101626 9690330 13502710 16203252 19380660 20254065 27005420 40508130 81016260 2580783349 5161566698 7742350047 10323133396 12903916745 15484700094 25807833490 30969400188 33550183537 38711750235 51615666980 67100367074 77423500470 100650550611 134200734148 154847000940 167750917685 201301101222 335501835370 402602202444 503252753055 671003670740 1006505506110 2013011012220