| Base | Representation |
|---|---|
| bin | 1101011111100011… |
| … | …0100000010011010 |
| 3 | 100100102102101121000 |
| 4 | 3113320310002122 |
| 5 | 24404212312100 |
| 6 | 1355223525430 |
| 7 | 155520306111 |
| oct | 32770640232 |
| 9 | 10312371530 |
| 10 | 3621994650 |
| 11 | 159958120a |
| 12 | 850bb9876 |
| 13 | 459511401 |
| 14 | 265076c78 |
| 15 | 162ea8900 |
| hex | d7e3409a |
3621994650 has 96 divisors (see below), whose sum is σ = 10069355520. Its totient is φ = 957277440.
The previous prime is 3621994637. The next prime is 3621994657. The reversal of 3621994650 is 564991263.
3621994650 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3621994596 and 3621994605.
It is not an unprimeable number, because it can be changed into a prime (3621994657) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140679 + ... + 164421.
It is an arithmetic number, because the mean of its divisors is an integer number (104889120).
Almost surely, 23621994650 is an apocalyptic number.
3621994650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3621994650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5034677760).
3621994650 is an abundant number, since it is smaller than the sum of its proper divisors (6447360870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3621994650 is a wasteful number, since it uses less digits than its factorization.
3621994650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23877 (or 23866 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The square root of 3621994650 is about 60183.0096455802. The cubic root of 3621994650 is about 1535.7337719127.
The spelling of 3621994650 in words is "three billion, six hundred twenty-one million, nine hundred ninety-four thousand, six hundred fifty".
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