Search a number
-
+
830100012122112 = 2143181118615011
BaseRepresentation
bin1011110010111110001011100…
…0010110011100000000000000
311000212010210020002200012102120
42330233202320112130000000
51332300324311100401422
612101250403040044240
7336563514065301144
oct27457427026340000
94025123202605376
10830100012122112
1122054a4901a8a16
1279126b3a603680
132982513139cc14
14108db0aab37224
1565e7c1636745c
hex2f2f8b859c000

830100012122112 has 240 divisors, whose sum is σ = 2216387054066304. Its totient is φ = 276343455744000.

The previous prime is 830100012122081. The next prime is 830100012122113. The reversal of 830100012122112 is 211221210001038.

It is a happy number.

It is a super-3 number, since 3×8301000121221123 (a number of 46 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830100012122113) 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, 165655557687 + ... + 165655562697.

Almost surely, 2830100012122112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830100012122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108193527033152).

830100012122112 is an abundant number, since it is smaller than the sum of its proper divisors (1386287041944192).

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

830100012122112 is a wasteful number, since it uses less digits than its factorization.

830100012122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714 (or 8688 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The spelling of 830100012122112 in words is "eight hundred thirty trillion, one hundred billion, twelve million, one hundred twenty-two thousand, one hundred twelve".