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2040223120 = 245131961753
BaseRepresentation
bin111100110011011…
…0101010110010000
312021012001001222021
41321212311112100
513134244114440
6534241021224
7101362416235
oct17146652620
95235031867
102040223120
1195771a911
1248b324814
132668bb620
14154d6978c
15be1aa84a
hex799b5590

2040223120 has 40 divisors (see below), whose sum is σ = 5108407416. Its totient is φ = 753312768.

The previous prime is 2040223117. The next prime is 2040223121. The reversal of 2040223120 is 213220402.

It can be written as a sum of positive squares in 4 ways, for example, as 8737936 + 2031485184 = 2956^2 + 45072^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2040223094 and 2040223103.

It is not an unprimeable number, because it can be changed into a prime (2040223121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979837 + ... + 981916.

Almost surely, 22040223120 is an apocalyptic number.

2040223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040223120 is an abundant number, since it is smaller than the sum of its proper divisors (3068184296).

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

2040223120 is a wasteful number, since it uses less digits than its factorization.

2040223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961779 (or 1961773 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2040223120 is about 45168.8290749273. The cubic root of 2040223120 is about 1268.3113771885.

Adding to 2040223120 its reverse (213220402), we get a palindrome (2253443522).

The spelling of 2040223120 in words is "two billion, forty million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 1961753 3923506 7847012 9808765 15694024 19617530 25502789 31388048 39235060 51005578 78470120 102011156 127513945 156940240 204022312 255027890 408044624 510055780 1020111560 2040223120