Search a number
-
+
210011210112 = 273111012112333
BaseRepresentation
bin1100001110010110100…
…1001100000110000000
3202002002001010212000010
43003211221030012000
511420100332210422
6240251113024520
721113162555334
oct3034551140600
9662061125003
10210011210112
1181079942570
12348503b5140
1316a5b432c42
14a2439217c4
1556e22e8b0c
hex30e5a4c180

210011210112 has 256 divisors, whose sum is σ = 617757891840. Its totient is φ = 62684160000.

The previous prime is 210011210111. The next prime is 210011210131. The reversal of 210011210112 is 211012110012.

It is a super-2 number, since 2×2100112101122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011210111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90016498 + ... + 90018830.

It is an arithmetic number, because the mean of its divisors is an integer number (2413116765).

Almost surely, 2210011210112 is an apocalyptic number.

210011210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210011210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308878945920).

210011210112 is an abundant number, since it is smaller than the sum of its proper divisors (407746681728).

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

210011210112 is a wasteful number, since it uses less digits than its factorization.

210011210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210011210112 its reverse (211012110012), we get a palindrome (421023320124).

The spelling of 210011210112 in words is "two hundred ten billion, eleven million, two hundred ten thousand, one hundred twelve".