Base | Representation |
---|---|
bin | 111111111111000… |
… | …0011100010011010 |
3 | 12112121220120110000 |
4 | 1333332003202122 |
5 | 13344111130400 |
6 | 553013033430 |
7 | 104126655660 |
oct | 17776034232 |
9 | 5477816400 |
10 | 2146973850 |
11 | a01a0225a |
12 | 4bb025876 |
13 | 282a56a38 |
14 | 1651d6c30 |
15 | c8745600 |
hex | 7ff8389a |
2146973850 has 120 divisors (see below), whose sum is σ = 6817697568. Its totient is φ = 490730400.
The previous prime is 2146973831. The next prime is 2146973869. The reversal of 2146973850 is 583796412.
2146973850 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2146973831) and next prime (2146973869).
It is a Harshad number since it is a multiple of its sum of digits (45).
2146973850 is strictly pandigital in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 2146973796 and 2146973805.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9516 + ... + 66215.
It is a 1-persistent number, because it is pandigital, but 2⋅2146973850 = 4293947700 is not.
Almost surely, 22146973850 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2146973850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3408848784).
2146973850 is an abundant number, since it is smaller than the sum of its proper divisors (4670723718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2146973850 is a wasteful number, since it uses less digits than its factorization.
2146973850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75762 (or 75748 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 2146973850 is about 46335.4491723130. The cubic root of 2146973850 is about 1290.0570553456.
The spelling of 2146973850 in words is "two billion, one hundred forty-six million, nine hundred seventy-three thousand, eight hundred fifty".
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