Search a number
-
+
10021112112000 = 273531139747807
BaseRepresentation
bin1001000111010011100011…
…0100111110001110000000
31022111000020112101122221110
42101310320310332032000
52303141214200041000
633151345122523320
72053000333341243
oct221647064761600
938430215348843
1010021112112000
113213a255a0270
12115a1aa206540
13578caa064aa2
1426904adc725a
15125a13638850
hex91d38d3e380

10021112112000 has 512 divisors, whose sum is σ = 36332029992960. Its totient is φ = 2423190528000.

The previous prime is 10021112111971. The next prime is 10021112112083. The reversal of 10021112112000 is 21121112001.

It is a super-2 number, since 2×100211121120002 (a number of 27 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 an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209592097 + ... + 209639903.

It is an arithmetic number, because the mean of its divisors is an integer number (70960996080).

Almost surely, 210021112112000 is an apocalyptic number.

10021112112000 is a gapful number since it is divisible by the number (10) 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 10021112112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18166014996480).

10021112112000 is an abundant number, since it is smaller than the sum of its proper divisors (26310917880960).

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

10021112112000 is a wasteful number, since it uses less digits than its factorization.

10021112112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48247 (or 48225 counting only the distinct ones).

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

Adding to 10021112112000 its reverse (21121112001), we get a palindrome (10042233224001).

Subtracting from 10021112112000 its reverse (21121112001), we obtain a palindrome (9999990999999).

The spelling of 10021112112000 in words is "ten trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand".