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16441433450 = 2521332217853
BaseRepresentation
bin11110100111111110…
…00101110101101010
31120102211110100122122
433103333011311222
5232133001332300
611315244551242
71121301610211
oct172377056552
946384410578
1016441433450
116a77840332
12322a252522
131720373960
14b1d840078
15663640c85
hex3d3fc5d6a

16441433450 has 48 divisors (see below), whose sum is σ = 32947875576. Its totient is φ = 6068025600.

The previous prime is 16441433429. The next prime is 16441433461. The reversal of 16441433450 is 5433414461.

It can be written as a sum of positive squares in 12 ways, for example, as 243016921 + 16198416529 = 15589^2 + 127273^2 .

It is a super-3 number, since 3×164414334503 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16441433450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2089724 + ... + 2097576.

Almost surely, 216441433450 is an apocalyptic number.

16441433450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16441433450 is an abundant number, since it is smaller than the sum of its proper divisors (16506442126).

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

16441433450 is a wasteful number, since it uses less digits than its factorization.

16441433450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099 (or 11094 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 16441433450 in words is "sixteen billion, four hundred forty-one million, four hundred thirty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 3221 6442 7853 15706 16105 32210 39265 41873 78530 80525 83746 102089 161050 196325 204178 209365 392650 418730 510445 1020890 1046825 2093650 2552225 5104450 25294513 50589026 126472565 252945130 328828669 632362825 657657338 1264725650 1644143345 3288286690 8220716725 16441433450