Search a number
-
+
211002312210 = 23519133676639
BaseRepresentation
bin1100010010000010110…
…1111100011000010010
3202011122010002001111020
43010200231330120102
511424113042442320
6240533315500310
721146556026664
oct3044055743022
9664563061436
10211002312210
1181538339208
1234a882b7696
1316b888760a1
14a2d93d4534
15574e31d940
hex3120b7c612

211002312210 has 32 divisors (see below), whose sum is σ = 506670405120. Its totient is φ = 56237854848.

The previous prime is 211002312181. The next prime is 211002312217. The reversal of 211002312210 is 12213200112.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211002312210.

It is not an unprimeable number, because it can be changed into a prime (211002312217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780930 + ... + 1895709.

It is an arithmetic number, because the mean of its divisors is an integer number (15833450160).

Almost surely, 2211002312210 is an apocalyptic number.

211002312210 is an abundant number, since it is smaller than the sum of its proper divisors (295668092910).

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

211002312210 is a wasteful number, since it uses less digits than its factorization.

211002312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678562.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211002312210 its reverse (12213200112), we get a palindrome (223215512322).

The spelling of 211002312210 in words is "two hundred eleven billion, two million, three hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1913 3826 5739 9565 11478 19130 28695 57390 3676639 7353278 11029917 18383195 22059834 36766390 55149585 110299170 7033410407 14066820814 21100231221 35167052035 42200462442 70334104070 105501156105 211002312210