Base | Representation |
---|---|
bin | 1000001111101000… |
… | …0110111001000000 |
3 | 12201020020110222000 |
4 | 2003322012321000 |
5 | 14013020012442 |
6 | 1003333144000 |
7 | 105561411420 |
oct | 20372067100 |
9 | 5636213860 |
10 | 2213047872 |
11 | a36231692 |
12 | 51918b000 |
13 | 29364c5a9 |
14 | 16dcb6480 |
15 | ce447d4c |
hex | 83e86e40 |
2213047872 has 112 divisors (see below), whose sum is σ = 7435413120. Its totient is φ = 632295936.
The previous prime is 2213047867. The next prime is 2213047873. The reversal of 2213047872 is 2787403122.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2213047873) by changing a digit.
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, 79383 + ... + 103574.
Almost surely, 22213047872 is an apocalyptic number.
It is an amenable number.
2213047872 is an abundant number, since it is smaller than the sum of its proper divisors (5222365248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213047872 is a wasteful number, since it uses less digits than its factorization.
2213047872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182985 (or 182969 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 2213047872 is about 47043.0427587332. The cubic root of 2213047872 is about 1303.1575850451.
The spelling of 2213047872 in words is "two billion, two hundred thirteen million, forty-seven thousand, eight hundred seventy-two".
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