Search a number
-
+
213012323200 = 2752648110271
BaseRepresentation
bin1100011001100010000…
…1100001101110000000
3202100211012021012012201
43012120201201232000
511442222123320300
6241505001202544
721250433605225
oct3063041415600
9670735235181
10213012323200
11823799a3216
1235349490454
1317119116cc1
14a44a33794c
15581aa0c66a
hex3198861b80

213012323200 has 96 divisors (see below), whose sum is σ = 526339437120. Its totient is φ = 85183488000.

The previous prime is 213012323189. The next prime is 213012323207. The reversal of 213012323200 is 2323210312.

213012323200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2130123232002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012323207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20734065 + ... + 20744335.

It is an arithmetic number, because the mean of its divisors is an integer number (5482702470).

Almost surely, 2213012323200 is an apocalyptic number.

213012323200 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 213012323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263169718560).

213012323200 is an abundant number, since it is smaller than the sum of its proper divisors (313327113920).

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

213012323200 is a wasteful number, since it uses less digits than its factorization.

213012323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776 (or 16759 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213012323200 its reverse (2323210312), we get a palindrome (215335533512).

The spelling of 213012323200 in words is "two hundred thirteen billion, twelve million, three hundred twenty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 6481 10271 12962 20542 25924 32405 41084 51355 51848 64810 82168 102710 103696 129620 162025 164336 205420 207392 256775 259240 324050 328672 410840 414784 513550 518480 648100 657344 821680 829568 1027100 1036960 1296200 1314688 1643360 2054200 2073920 2592400 3286720 4108400 4147840 5184800 6573440 8216800 10369600 16433600 20739200 32867200 66566351 133132702 266265404 332831755 532530808 665663510 1065061616 1331327020 1664158775 2130123232 2662654040 3328317550 4260246464 5325308080 6656635100 8520492928 10650616160 13313270200 21301232320 26626540400 42602464640 53253080800 106506161600 213012323200