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210110132231 = 1723123452409
BaseRepresentation
bin1100001110101110001…
…0100011000000000111
3202002022221021121122022
43003223202203000013
511420301143212411
6240305005153355
721115503441116
oct3035342430007
9662287247568
10210110132231
118111a76818a
123487955b85b
1316a75a89c3c
14a252b11c7d
1556ead38edb
hex30eb8a3007

210110132231 has 12 divisors (see below), whose sum is σ = 230396475840. Its totient is φ = 191371649280.

The previous prime is 210110132191. The next prime is 210110132237. The reversal of 210110132231 is 132231011012.

It is not a de Polignac number, because 210110132231 - 234 = 192930263047 is a prime.

It is a super-2 number, since 2×2101101322312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210110132237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11717246 + ... + 11735163.

It is an arithmetic number, because the mean of its divisors is an integer number (19199706320).

Almost surely, 2210110132231 is an apocalyptic number.

210110132231 is a deficient number, since it is larger than the sum of its proper divisors (20286343609).

210110132231 is a wasteful number, since it uses less digits than its factorization.

210110132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23452474 (or 23452457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210110132231 its reverse (132231011012), we get a palindrome (342341143243).

The spelling of 210110132231 in words is "two hundred ten billion, one hundred ten million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 17 31 289 527 8959 23452409 398690953 727024679 6777746201 12359419543 210110132231