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213122330300 = 225211193747573
BaseRepresentation
bin1100011001111100010…
…1001010111010111100
3202101002212021010120202
43012133011022322330
511442433304032200
6241523531103032
721253240626515
oct3063705127274
9671085233522
10213122330300
1182425aaa180
123537a2a1a78
1317135b52669
14a45abb1a0c
1558254dc1d5
hex319f14aebc

213122330300 has 36 divisors (see below), whose sum is σ = 504518682696. Its totient is φ = 77499028800.

The previous prime is 213122330299. The next prime is 213122330303. The reversal of 213122330300 is 3033221312.

It is a super-2 number, since 2×2131223303002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122330303) 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, 96872687 + ... + 96874886.

Almost surely, 2213122330300 is an apocalyptic number.

213122330300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213122330300 is an abundant number, since it is smaller than the sum of its proper divisors (291396352396).

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

213122330300 is a wasteful number, since it uses less digits than its factorization.

213122330300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193747598 (or 193747591 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213122330300 its reverse (3033221312), we get a palindrome (216155551612).

The spelling of 213122330300 in words is "two hundred thirteen billion, one hundred twenty-two million, three hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 193747573 387495146 774990292 968737865 1937475730 2131223303 3874951460 4262446606 4843689325 8524893212 9687378650 10656116515 19374757300 21312233030 42624466060 53280582575 106561165150 213122330300