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213001334420 = 22571789496359
BaseRepresentation
bin1100011001011111011…
…1100110111010010100
3202100210102120220102212
43012113313212322110
511442211320200140
6241503525452552
721250241320040
oct3062767467224
9670712526385
10213001334420
1182373778186
1235345871158
1317116a6a374
14a448ab7020
155819a8b765
hex3197de6e94

213001334420 has 48 divisors (see below), whose sum is σ = 541273985280. Its totient is φ = 68733202944.

The previous prime is 213001334411. The next prime is 213001334443. The reversal of 213001334420 is 24433100312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44745800 + ... + 44750559.

It is an arithmetic number, because the mean of its divisors is an integer number (11276541360).

Almost surely, 2213001334420 is an apocalyptic number.

213001334420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213001334420 is an abundant number, since it is smaller than the sum of its proper divisors (328272650860).

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

213001334420 is a wasteful number, since it uses less digits than its factorization.

213001334420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89496392 (or 89496390 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213001334420 its reverse (24433100312), we get a palindrome (237434434732).

The spelling of 213001334420 in words is "two hundred thirteen billion, one million, three hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 89496359 178992718 357985436 447481795 626474513 894963590 1252949026 1521438103 1789927180 2505898052 3042876206 3132372565 6085752412 6264745130 7607190515 10650066721 12529490260 15214381030 21300133442 30428762060 42600266884 53250333605 106500667210 213001334420