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4012757574820 = 225200637878741
BaseRepresentation
bin111010011001001010111…
…111010110010010100100
3112012121121222022122120021
4322121022333112102210
51011221111414343240
612311234013044524
7562624605414601
oct72311277262244
915177558278507
104012757574820
11130788a047435
12549848486744
1323152abaa787
14dc30b8016a8
156e5aaec254a
hex3a64afd64a4

4012757574820 has 12 divisors (see below), whose sum is σ = 8426790907164. Its totient is φ = 1605103029920.

The previous prime is 4012757574817. The next prime is 4012757574821. The reversal of 4012757574820 is 284757572104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3128115747904 + 884641826916 = 1768648^2 + 940554^2 .

It is a super-2 number, since 2×40127575748202 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4012757574821) 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, 100318939351 + ... + 100318939390.

It is an arithmetic number, because the mean of its divisors is an integer number (702232575597).

Almost surely, 24012757574820 is an apocalyptic number.

It is an amenable number.

4012757574820 is an abundant number, since it is smaller than the sum of its proper divisors (4414033332344).

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

4012757574820 is a wasteful number, since it uses less digits than its factorization.

4012757574820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200637878750 (or 200637878748 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 52.

The spelling of 4012757574820 in words is "four trillion, twelve billion, seven hundred fifty-seven million, five hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 200637878741 401275757482 802551514964 1003189393705 2006378787410 4012757574820