Base | Representation |
---|---|
bin | 1110001100011001010010… |
… | …11010010110010100001010 |
3 | 11002111212012102110112121200 |
4 | 13012030221122112110022 |
5 | 13042340112330104114 |
6 | 150214410310045030 |
7 | 6401002650342654 |
oct | 706145132262412 |
9 | 132455172415550 |
10 | 31212222113034 |
11 | 9a44035755606 |
12 | 360117a049776 |
13 | 14553b8bb8bb1 |
14 | 79c972bcd6d4 |
15 | 391d7c9ab409 |
hex | 1c632969650a |
31212222113034 has 96 divisors (see below), whose sum is σ = 71586982172160. Its totient is φ = 9812396505600.
The previous prime is 31212222112999. The next prime is 31212222113099. The reversal of 31212222113034 is 43031122221213.
31212222113034 is a `hidden beast` number, since 3 + 12 + 122 + 221 + 1 + 303 + 4 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 31212222112989 and 31212222113007.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20708677 + ... + 22164695.
It is an arithmetic number, because the mean of its divisors is an integer number (745697730960).
Almost surely, 231212222113034 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31212222113034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35793491086080).
31212222113034 is an abundant number, since it is smaller than the sum of its proper divisors (40374760059126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31212222113034 is a wasteful number, since it uses less digits than its factorization.
31212222113034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1457036 (or 1457033 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 31212222113034 its reverse (43031122221213), we get a palindrome (74243344334247).
The spelling of 31212222113034 in words is "thirty-one trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thirteen thousand, thirty-four".
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