Base | Representation |
---|---|
bin | 1001110111110110… |
… | …1000101101001100 |
3 | 20211200210010002200 |
4 | 2131331220231030 |
5 | 20411421233203 |
6 | 1114550321500 |
7 | 122450106360 |
oct | 23575505514 |
9 | 6750703080 |
10 | 2650180428 |
11 | 113aa59865 |
12 | 61b659290 |
13 | 3330924cc |
14 | 1b1d852a0 |
15 | 1079e39a3 |
hex | 9df68b4c |
2650180428 has 144 divisors (see below), whose sum is σ = 8264954880. Its totient is φ = 699253632.
The previous prime is 2650180381. The next prime is 2650180487. The reversal of 2650180428 is 8240810562.
2650180428 is a `hidden beast` number, since 2 + 6 + 50 + 180 + 428 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2650180392 and 2650180401.
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, 160201 + ... + 175967.
It is an arithmetic number, because the mean of its divisors is an integer number (57395520).
Almost surely, 22650180428 is an apocalyptic number.
2650180428 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 2650180428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4132477440).
2650180428 is an abundant number, since it is smaller than the sum of its proper divisors (5614774452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2650180428 is a wasteful number, since it uses less digits than its factorization.
2650180428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15836 (or 15831 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 2650180428 is about 51479.9031467620. The cubic root of 2650180428 is about 1383.8589093756.
It can be divided in two parts, 26501 and 80428, that added together give a square (106929 = 3272).
The spelling of 2650180428 in words is "two billion, six hundred fifty million, one hundred eighty thousand, four hundred twenty-eight".
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