Search a number
-
+
2123284016 = 24718957893
BaseRepresentation
bin111111010001110…
…1011111000110000
312110222100000002202
41332203223320300
513322030042031
6550405202332
7103421421260
oct17643537060
95428300082
102123284016
1199a5a1787
124b31003a8
1327ab80c99
14161dcb7a0
15c66162cb
hex7e8ebe30

2123284016 has 20 divisors (see below), whose sum is σ = 4701557712. Its totient is φ = 909978816.

The previous prime is 2123284013. The next prime is 2123284021. The reversal of 2123284016 is 6104823212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123284016.

It is not an unprimeable number, because it can be changed into a prime (2123284013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9478835 + ... + 9479058.

Almost surely, 22123284016 is an apocalyptic number.

It is an amenable number.

2123284016 is an abundant number, since it is smaller than the sum of its proper divisors (2578273696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123284016 is a wasteful number, since it uses less digits than its factorization.

2123284016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957908 (or 18957902 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2123284016 is about 46079.1060677179. The cubic root of 2123284016 is about 1285.2946411117.

The spelling of 2123284016 in words is "two billion, one hundred twenty-three million, two hundred eighty-four thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 18957893 37915786 75831572 132705251 151663144 265410502 303326288 530821004 1061642008 2123284016