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213333103320 = 23355591317971
BaseRepresentation
bin1100011010101110100…
…1001101001011011000
3202101122112212111210220
43012223221031023120
511443401233301240
6242000500440040
721261410313231
oct3065351151330
9671575774726
10213333103320
1182523a80057
12354189a9020
131716a70c31c
14a47ab9a088
155838c735d0
hex31aba4d2d8

213333103320 has 64 divisors (see below), whose sum is σ = 640115792640. Its totient is φ = 56878473600.

The previous prime is 213333103307. The next prime is 213333103327. The reversal of 213333103320 is 23301333312.

213333103320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2133331033202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333103327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511935 + ... + 829905.

It is an arithmetic number, because the mean of its divisors is an integer number (10001809260).

Almost surely, 2213333103320 is an apocalyptic number.

213333103320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213333103320 is an abundant number, since it is smaller than the sum of its proper divisors (426782689320).

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

213333103320 is a wasteful number, since it uses less digits than its factorization.

213333103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323576 (or 323572 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 213333103320 its reverse (23301333312), we get a palindrome (236634436632).

The spelling of 213333103320 in words is "two hundred thirteen billion, three hundred thirty-three million, one hundred three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5591 11182 16773 22364 27955 33546 44728 55910 67092 83865 111820 134184 167730 223640 317971 335460 635942 670920 953913 1271884 1589855 1907826 2543768 3179710 3815652 4769565 6359420 7631304 9539130 12718840 19078260 38156520 1777775861 3555551722 5333327583 7111103444 8888879305 10666655166 14222206888 17777758610 21333310332 26666637915 35555517220 42666620664 53333275830 71111034440 106666551660 213333103320