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213311244030 = 2359790780819
BaseRepresentation
bin1100011010101001010…
…1110100011011111110
3202101121000201221111120
43012222111310123332
511443330134302110
6241554400131410
721261023441433
oct3065225643376
9671530657446
10213311244030
11825126aa925
1235411606b66
1317166027831
14a477d09b8a
155836da6870
hex31aa5746fe

213311244030 has 64 divisors (see below), whose sum is σ = 517801455360. Its totient is φ = 56233810944.

The previous prime is 213311244023. The next prime is 213311244043. The reversal of 213311244030 is 30442113312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2598961 + ... + 2679779.

It is an arithmetic number, because the mean of its divisors is an integer number (8090647740).

Almost surely, 2213311244030 is an apocalyptic number.

213311244030 is an abundant number, since it is smaller than the sum of its proper divisors (304490211330).

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

213311244030 is a wasteful number, since it uses less digits than its factorization.

213311244030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81833.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213311244030 its reverse (30442113312), we get a palindrome (243753357342).

The spelling of 213311244030 in words is "two hundred thirteen billion, three hundred eleven million, two hundred forty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 97 194 291 485 582 907 970 1455 1814 2721 2910 4535 5442 9070 13605 27210 80819 87979 161638 175958 242457 263937 404095 439895 484914 527874 808190 879790 1212285 1319685 2424570 2639370 7839443 15678886 23518329 39197215 47036658 73302833 78394430 117591645 146605666 219908499 235183290 366514165 439816998 733028330 1099542495 2199084990 7110374801 14220749602 21331124403 35551874005 42662248806 71103748010 106655622015 213311244030