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213113212310 = 25641195117041
BaseRepresentation
bin1100011001111010001…
…0011000110110010110
3202101002020002220001102
43012132202120312112
511442423440243220
6241523003430102
721253100262455
oct3063642306626
9671066086042
10213113212310
1182420941749
1235377225332
1317133cac3bb
14a4598bab9c
1558247da775
hex319e898d96

213113212310 has 32 divisors (see below), whose sum is σ = 384421711104. Its totient is φ = 85063680000.

The previous prime is 213113212289. The next prime is 213113212357. The reversal of 213113212310 is 13212311312.

It is a happy number.

213113212310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2131132123102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12497390 + ... + 12514430.

It is an arithmetic number, because the mean of its divisors is an integer number (12013178472).

Almost surely, 2213113212310 is an apocalyptic number.

213113212310 is a deficient number, since it is larger than the sum of its proper divisors (171308498794).

213113212310 is a wasteful number, since it uses less digits than its factorization.

213113212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19640.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213113212310 its reverse (13212311312), we get a palindrome (226325523622).

The spelling of 213113212310 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 641 1282 1951 3205 3902 6410 9755 17041 19510 34082 85205 170410 1250591 2501182 6252955 10923281 12505910 21846562 33246991 54616405 66493982 109232810 166234955 332469910 21311321231 42622642462 106556606155 213113212310