Base | Representation |
---|---|
bin | 10001001010001010… |
… | …00001100000101110 |
3 | 212210000000111222210 |
4 | 20211011001200232 |
5 | 122331233232434 |
6 | 4122033151250 |
7 | 444165531423 |
oct | 104505014056 |
9 | 25700014883 |
10 | 9212008494 |
11 | 39a7a36367 |
12 | 19510bb526 |
13 | b3a680400 |
14 | 635641d4a |
15 | 38db08ee9 |
hex | 22514182e |
9212008494 has 48 divisors (see below), whose sum is σ = 20436951024. Its totient is φ = 2765318400.
The previous prime is 9212008447. The next prime is 9212008499. The reversal of 9212008494 is 4948002129.
It is a super-2 number, since 2×92120084942 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9212008499) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69217 + ... + 152364.
It is an arithmetic number, because the mean of its divisors is an integer number (425769813).
Almost surely, 29212008494 is an apocalyptic number.
9212008494 is an abundant number, since it is smaller than the sum of its proper divisors (11224942530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9212008494 is a wasteful number, since it uses less digits than its factorization.
9212008494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221653 (or 221640 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 9212008494 is about 95979.2086547915. The cubic root of 9212008494 is about 2096.2903892224.
The spelling of 9212008494 in words is "nine billion, two hundred twelve million, eight thousand, four hundred ninety-four".
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