Search a number
-
+
2013031020320 = 255231471371869
BaseRepresentation
bin11101010010110001111…
…111111011011100100000
321010102222121000021022022
4131102301333323130200
5230440141420122240
64140435041001012
7265302533230655
oct35226177733440
97112877007268
102013031020320
117067a3593271
12286180023168
13117a9c1a7598
146d6073b1c2c
153756c00a9b5
hex1d4b1ffb720

2013031020320 has 96 divisors (see below), whose sum is σ = 4965946030080. Its totient is φ = 769677511680.

The previous prime is 2013031020307. The next prime is 2013031020323. The reversal of 2013031020320 is 230201303102.

It is not an unprimeable number, because it can be changed into a prime (2013031020323) 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, 5227346 + ... + 5599214.

It is an arithmetic number, because the mean of its divisors is an integer number (51728604480).

Almost surely, 22013031020320 is an apocalyptic number.

2013031020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013031020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482973015040).

2013031020320 is an abundant number, since it is smaller than the sum of its proper divisors (2952915009760).

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

2013031020320 is a wasteful number, since it uses less digits than its factorization.

2013031020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373378 (or 373370 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2013031020320 its reverse (230201303102), we get a palindrome (2243232323422).

The spelling of 2013031020320 in words is "two trillion, thirteen billion, thirty-one million, twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1471 1840 2942 3680 5884 7355 11768 14710 23536 29420 33833 47072 58840 67666 117680 135332 169165 235360 270664 338330 371869 541328 676660 743738 1082656 1353320 1487476 1859345 2706640 2974952 3718690 5413280 5949904 7437380 8552987 11899808 14874760 17105974 29749520 34211948 42764935 59499040 68423896 85529870 136847792 171059740 273695584 342119480 547019299 684238960 1094038598 1368477920 2188077196 2735096495 4376154392 5470192990 8752308784 10940385980 12581443877 17504617568 21880771960 25162887754 43761543920 50325775508 62907219385 87523087840 100651551016 125814438770 201303102032 251628877540 402606204064 503257755080 1006515510160 2013031020320