Search a number
-
+
211210211022 = 231092831141171
BaseRepresentation
bin1100010010110100011…
…1000000111011001110
3202012011121021102001020
43010231013000323032
511430024303223042
6241010103455010
721154662112656
oct3045507007316
9665147242036
10211210211022
1181634726708
1234b25a57466
1316bbc967735
14a318c71366
1557626d83ec
hex312d1c0ece

211210211022 has 32 divisors (see below), whose sum is σ = 427802559360. Its totient is φ = 69510947040.

The previous prime is 211210211011. The next prime is 211210211041. The reversal of 211210211022 is 220112012112.

It is a junction number, because it is equal to n+sod(n) for n = 211210210992 and 211210211010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385504 + ... + 755667.

It is an arithmetic number, because the mean of its divisors is an integer number (13368829980).

Almost surely, 2211210211022 is an apocalyptic number.

211210211022 is an abundant number, since it is smaller than the sum of its proper divisors (216592348338).

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

211210211022 is a wasteful number, since it uses less digits than its factorization.

211210211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141568.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211210211022 its reverse (220112012112), we get a palindrome (431322223134).

The spelling of 211210211022 in words is "two hundred eleven billion, two hundred ten million, two hundred eleven thousand, twenty-two".

Divisors: 1 2 3 6 109 218 283 327 566 654 849 1698 30847 61694 92541 185082 1141171 2282342 3423513 6847026 124387639 248775278 322951393 373162917 645902786 746325834 968854179 1937708358 35201701837 70403403674 105605105511 211210211022