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213203030200 = 23522234780337
BaseRepresentation
bin1100011010001111100…
…1000001000010111000
3202101022111010010000221
43012203321001002320
511443114433431300
6241535532505424
721255240566266
oct3064371010270
9671274103027
10213203030200
1182467609206
12353a131b274
1317149799494
14a4677bb436
15582c62d31a
hex31a3e410b8

213203030200 has 48 divisors (see below), whose sum is σ = 497920006080. Its totient is φ = 84898767360.

The previous prime is 213203030167. The next prime is 213203030207. The reversal of 213203030200 is 2030302312.

It is a super-2 number, since 2×2132030302002 (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 (213203030207) 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, 2345569 + ... + 2434768.

It is an arithmetic number, because the mean of its divisors is an integer number (10373333460).

Almost surely, 2213203030200 is an apocalyptic number.

213203030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213203030200 is an abundant number, since it is smaller than the sum of its proper divisors (284716975880).

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

213203030200 is a wasteful number, since it uses less digits than its factorization.

213203030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780576 (or 4780567 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 213203030200 its reverse (2030302312), we get a palindrome (215233332512).

The spelling of 213203030200 in words is "two hundred thirteen billion, two hundred three million, thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 223 446 892 1115 1784 2230 4460 5575 8920 11150 22300 44600 4780337 9560674 19121348 23901685 38242696 47803370 95606740 119508425 191213480 239016850 478033700 956067400 1066015151 2132030302 4264060604 5330075755 8528121208 10660151510 21320303020 26650378775 42640606040 53300757550 106601515100 213203030200