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213026193830 = 2523391427551
BaseRepresentation
bin1100011001100101011…
…0011100000110100110
3202100212011100220010202
43012121112130012212
511442234201200310
6241510214350502
721250662525332
oct3063126340646
9670764326122
10213026193830
118238680744a
123535205b432
131711bc62588
14a44c1087c2
15581bd4c3a5
hex319959c1a6

213026193830 has 16 divisors (see below), whose sum is σ = 385092849024. Its totient is φ = 84844766400.

The previous prime is 213026193811. The next prime is 213026193857. The reversal of 213026193830 is 38391620312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45711446 + ... + 45716105.

It is an arithmetic number, because the mean of its divisors is an integer number (24068303064).

Almost surely, 2213026193830 is an apocalyptic number.

213026193830 is a deficient number, since it is larger than the sum of its proper divisors (172066655194).

213026193830 is a wasteful number, since it uses less digits than its factorization.

213026193830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91427791.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 213026193830 in words is "two hundred thirteen billion, twenty-six million, one hundred ninety-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 233 466 1165 2330 91427551 182855102 457137755 914275510 21302619383 42605238766 106513096915 213026193830