Base | Representation |
---|---|
bin | 110010010000000001010011… |
… | …000010000001101110000000 |
3 | 1001222111200222002202022221200 |
4 | 302100001103002001232000 |
5 | 212431404103414120412 |
6 | 2102011252105021200 |
7 | 64356646032464052 |
oct | 6220012302015600 |
9 | 1058450862668850 |
10 | 221003230223232 |
11 | 64466a41a11856 |
12 | 20953aa6784800 |
13 | 9641690b2c732 |
14 | 3c808832dd8d2 |
15 | 1a83c040599dc |
hex | c90053081b80 |
221003230223232 has 48 divisors (see below), whose sum is σ = 635959816140480. Its totient is φ = 73667743407360.
The previous prime is 221003230223207. The next prime is 221003230223267. The reversal of 221003230223232 is 232322032300122.
221003230223232 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 0 + 32 + 302 + 2 + 323 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×2210032302232322 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 221003230223196 and 221003230223205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95921539744 + ... + 95921542047.
It is an arithmetic number, because the mean of its divisors is an integer number (13249162836260).
Almost surely, 2221003230223232 is an apocalyptic number.
It is an amenable number.
221003230223232 is an abundant number, since it is smaller than the sum of its proper divisors (414956585917248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221003230223232 is a wasteful number, since it uses less digits than its factorization.
221003230223232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191843081811 (or 191843081796 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 221003230223232 its reverse (232322032300122), we get a palindrome (453325262523354).
The spelling of 221003230223232 in words is "two hundred twenty-one trillion, three billion, two hundred thirty million, two hundred twenty-three thousand, two hundred thirty-two".
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