Search a number
-
+
211030023210 = 2357034334107
BaseRepresentation
bin1100010010001001011…
…1101001110000101010
3202011201001012220211120
43010202113221300222
511424142141220320
6240540145440110
721150343413036
oct3044227516052
9664631186746
10211030023210
1181551a45966
1234a95640036
1316b91529226
14a2dcd691c6
155751994440
hex31225e9c2a

211030023210 has 16 divisors (see below), whose sum is σ = 506472055776. Its totient is φ = 56274672848.

The previous prime is 211030023199. The next prime is 211030023233. The reversal of 211030023210 is 12320030112.

211030023210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211030023210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517167024 + ... + 3517167083.

It is an arithmetic number, because the mean of its divisors is an integer number (31654503486).

Almost surely, 2211030023210 is an apocalyptic number.

211030023210 is an abundant number, since it is smaller than the sum of its proper divisors (295442032566).

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

211030023210 is a wasteful number, since it uses less digits than its factorization.

211030023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034334117.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 211030023210 its reverse (12320030112), we get a palindrome (223350053322).

The spelling of 211030023210 in words is "two hundred eleven billion, thirty million, twenty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 7034334107 14068668214 21103002321 35171670535 42206004642 70343341070 105515011605 211030023210