Base | Representation |
---|---|
bin | 111111011100100… |
… | …0010111011001010 |
3 | 12111100212111000102 |
4 | 1332321002323022 |
5 | 13324443232102 |
6 | 551125205402 |
7 | 103520132102 |
oct | 17671027312 |
9 | 5440774012 |
10 | 2128883402 |
11 | 9a2776678 |
12 | 4b4b60862 |
13 | 27c091829 |
14 | 162a48202 |
15 | c6d70402 |
hex | 7ee42eca |
2128883402 has 8 divisors (see below), whose sum is σ = 3198072036. Its totient is φ = 1062859392.
The previous prime is 2128883399. The next prime is 2128883411. The reversal of 2128883402 is 2043888212.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2068339441 + 60543961 = 45479^2 + 7781^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21288834022 = 9064289078622187208, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789473 + ... + 792164.
Almost surely, 22128883402 is an apocalyptic number.
2128883402 is a deficient number, since it is larger than the sum of its proper divisors (1069188634).
2128883402 is a wasteful number, since it uses less digits than its factorization.
2128883402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1582312.
The product of its (nonzero) digits is 49152, while the sum is 38.
The square root of 2128883402 is about 46139.8244686735. The cubic root of 2128883402 is about 1286.4234810994.
The spelling of 2128883402 in words is "two billion, one hundred twenty-eight million, eight hundred eighty-three thousand, four hundred two".
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