Base | Representation |
---|---|
bin | 1011000100110001… |
… | …0010001110011000 |
3 | 21200011211020221202 |
4 | 2301030102032120 |
5 | 22042013200413 |
6 | 1210553053332 |
7 | 133445164160 |
oct | 26114221630 |
9 | 7604736852 |
10 | 2972787608 |
11 | 129607436a |
12 | 6ab6b7248 |
13 | 384b7732b |
14 | 202b615a0 |
15 | 125ebae58 |
hex | b1312398 |
2972787608 has 64 divisors (see below), whose sum is σ = 6497625600. Its totient is φ = 1248791040.
The previous prime is 2972787583. The next prime is 2972787611. The reversal of 2972787608 is 8067872792.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709616 + ... + 713792.
It is an arithmetic number, because the mean of its divisors is an integer number (101525400).
Almost surely, 22972787608 is an apocalyptic number.
2972787608 is a gapful number since it is divisible by the number (28) 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 2972787608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3248812800).
2972787608 is an abundant number, since it is smaller than the sum of its proper divisors (3524837992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2972787608 is a wasteful number, since it uses less digits than its factorization.
2972787608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4440 (or 4436 counting only the distinct ones).
The product of its (nonzero) digits is 4741632, while the sum is 56.
The square root of 2972787608 is about 54523.2758370221. The cubic root of 2972787608 is about 1437.8755336750.
The spelling of 2972787608 in words is "two billion, nine hundred seventy-two million, seven hundred eighty-seven thousand, six hundred eight".
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