Base | Representation |
---|---|
bin | 1001010010011010… |
… | …1111011111110110 |
3 | 20102202100212110210 |
4 | 2110212233133312 |
5 | 20101223341430 |
6 | 1051221330250 |
7 | 115532466663 |
oct | 22446573766 |
9 | 6382325423 |
10 | 2493183990 |
11 | 106a379040 |
12 | 596b66986 |
13 | 3096b3bcb |
14 | 199198a6a |
15 | e8d312b0 |
hex | 949af7f6 |
2493183990 has 256 divisors, whose sum is σ = 7219445760. Its totient is φ = 544320000.
The previous prime is 2493183961. The next prime is 2493184019. The reversal of 2493183990 is 993813942.
It is an interprime number because it is at equal distance from previous prime (2493183961) and next prime (2493184019).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19631307 + ... + 19631433.
It is an arithmetic number, because the mean of its divisors is an integer number (28200960).
Almost surely, 22493183990 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2493183990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609722880).
2493183990 is an abundant number, since it is smaller than the sum of its proper divisors (4726261770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2493183990 is a wasteful number, since it uses less digits than its factorization.
2493183990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299.
The product of its (nonzero) digits is 419904, while the sum is 48.
The square root of 2493183990 is about 49931.7933785679. The cubic root of 2493183990 is about 1355.9742524762.
The spelling of 2493183990 in words is "two billion, four hundred ninety-three million, one hundred eighty-three thousand, nine hundred ninety".
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