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3445421355412 = 2217129169392261
BaseRepresentation
bin110010001000110011000…
…111011011000110010100
3110012101020100010120110121
4302020303013123012110
5422422210331333122
611154445453001324
7503631516210601
oct62106307330624
913171210116417
103445421355412
111109216595733
124778b4783244
131bcb95459cba
14bca8b68b6a8
155e953a5bbc7
hex322331db194

3445421355412 has 24 divisors (see below), whose sum is σ = 6384228800040. Its totient is φ = 1621358069760.

The previous prime is 3445421355407. The next prime is 3445421355437. The reversal of 3445421355412 is 2145531245443.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1746905616 + 3443674449796 = 41796^2 + 1855714^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8587362 + ... + 8979622.

It is an arithmetic number, because the mean of its divisors is an integer number (266009533335).

Almost surely, 23445421355412 is an apocalyptic number.

It is an amenable number.

3445421355412 is a deficient number, since it is larger than the sum of its proper divisors (2938807444628).

3445421355412 is a wasteful number, since it uses less digits than its factorization.

3445421355412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521451 (or 521449 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The spelling of 3445421355412 in words is "three trillion, four hundred forty-five billion, four hundred twenty-one million, three hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 129169 258338 392261 516676 784522 1569044 2195873 4391746 6668437 8783492 13336874 26673748 50667961109 101335922218 202671844436 861355338853 1722710677706 3445421355412