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2199518672 = 241310574609
BaseRepresentation
bin1000001100011001…
…1111110111010000
312200021210010101112
42003012133313100
514001034044142
61002131152452
7105335412611
oct20306376720
95607703345
102199518672
11a29630a2a
12514745728
132908c3550
1416c193c08
15cd174382
hex8319fdd0

2199518672 has 20 divisors (see below), whose sum is σ = 4589380740. Its totient is φ = 1015162368.

The previous prime is 2199518669. The next prime is 2199518719. The reversal of 2199518672 is 2768159912.

2199518672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 430811536 + 1768707136 = 20756^2 + 42056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2199518672.

It is a congruent number.

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, 5287097 + ... + 5287512.

It is an arithmetic number, because the mean of its divisors is an integer number (229469037).

Almost surely, 22199518672 is an apocalyptic number.

It is an amenable number.

2199518672 is an abundant number, since it is smaller than the sum of its proper divisors (2389862068).

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

2199518672 is a wasteful number, since it uses less digits than its factorization.

2199518672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574630 (or 10574624 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 2199518672 is about 46899.0263438379. The cubic root of 2199518672 is about 1300.4965897696.

The spelling of 2199518672 in words is "two billion, one hundred ninety-nine million, five hundred eighteen thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 10574609 21149218 42298436 84596872 137469917 169193744 274939834 549879668 1099759336 2199518672