Base | Representation |
---|---|
bin | 10010111100101011… |
… | …101101011100110110 |
3 | 1221111220112122112112 |
4 | 102330223231130312 |
5 | 313131413203100 |
6 | 13202505251022 |
7 | 1320115264463 |
oct | 227453553466 |
9 | 57456478475 |
10 | 20345444150 |
11 | 86a0522359 |
12 | 3b39793a72 |
13 | 1bc3127265 |
14 | db012866a |
15 | 7e1254b35 |
hex | 4bcaed736 |
20345444150 has 96 divisors (see below), whose sum is σ = 41345925120. Its totient is φ = 7420032000.
The previous prime is 20345444129. The next prime is 20345444179. The reversal of 20345444150 is 5144454302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5623142 + ... + 5626758.
It is an arithmetic number, because the mean of its divisors is an integer number (430686720).
Almost surely, 220345444150 is an apocalyptic number.
20345444150 is an abundant number, since it is smaller than the sum of its proper divisors (21000480970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20345444150 is a wasteful number, since it uses less digits than its factorization.
20345444150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3870 (or 3865 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 32.
Adding to 20345444150 its reverse (5144454302), we get a palindrome (25489898452).
The spelling of 20345444150 in words is "twenty billion, three hundred forty-five million, four hundred forty-four thousand, one hundred fifty".
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