Base | Representation |
---|---|
bin | 100011001111011111111… |
… | …100011001010000000000 |
3 | 22120112011001122000122002 |
4 | 203033133330121100000 |
5 | 304134343334121010 |
6 | 5052323115403132 |
7 | 336654023060660 |
oct | 43173774312000 |
9 | 8515131560562 |
10 | 2421823738880 |
11 | 8540a9400217 |
12 | 331447a534a8 |
13 | 1474b935c570 |
14 | 853072301a0 |
15 | 42ee57d91a5 |
hex | 233dff19400 |
2421823738880 has 704 divisors, whose sum is σ = 7405770097152. Its totient is φ = 739497738240.
The previous prime is 2421823738853. The next prime is 2421823738883. The reversal of 2421823738880 is 888373281242.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2421823738883) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1852963187 + ... + 1852964493.
Almost surely, 22421823738880 is an apocalyptic number.
2421823738880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2421823738880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3702885048576).
2421823738880 is an abundant number, since it is smaller than the sum of its proper divisors (4983946358272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421823738880 is a wasteful number, since it uses less digits than its factorization.
2421823738880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1490 (or 1472 counting only the distinct ones).
The product of its (nonzero) digits is 8257536, while the sum is 56.
The spelling of 2421823738880 in words is "two trillion, four hundred twenty-one billion, eight hundred twenty-three million, seven hundred thirty-eight thousand, eight hundred eighty".
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