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211310312230 = 25471198737507
BaseRepresentation
bin1100010011001100010…
…0110111101100100110
3202012102120122002002101
43010303010313230212
511430230414442410
6241024041202314
721160316006143
oct3046304675446
9665376562071
10211310312230
1181686187186
1234b5349039a
1316c07615314
14a32828b3ca
15576b3acd3a
hex3133137b26

211310312230 has 32 divisors (see below), whose sum is σ = 388494061056. Its totient is φ = 82716632544.

The previous prime is 211310312207. The next prime is 211310312267. The reversal of 211310312230 is 32213013112.

211310312230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211310312198 and 211310312207.

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, 5615137 + ... + 5652643.

It is an arithmetic number, because the mean of its divisors is an integer number (12140439408).

Almost surely, 2211310312230 is an apocalyptic number.

211310312230 is a deficient number, since it is larger than the sum of its proper divisors (177183748826).

211310312230 is a wasteful number, since it uses less digits than its factorization.

211310312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49548.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211310312230 its reverse (32213013112), we get a palindrome (243523325342).

The spelling of 211310312230 in words is "two hundred eleven billion, three hundred ten million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 11987 23974 37507 59935 75014 119870 187535 375070 563389 1126778 1762829 2816945 3525658 5633890 8814145 17628290 449596409 899192818 2247982045 4495964090 21131031223 42262062446 105655156115 211310312230