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9049069850 = 252180981397
BaseRepresentation
bin10000110110101110…
…11101100100011010
3212100122102101012012
420123113131210122
5122013030213400
64053532545522
7440146552562
oct103327354432
925318371165
109049069850
113923a67127
1219066222a2
13b129a1202
1461bb49da2
1537e670d35
hex21b5dd91a

9049069850 has 12 divisors (see below), whose sum is σ = 16831270014. Its totient is φ = 3619627920.

The previous prime is 9049069831. The next prime is 9049069871. The reversal of 9049069850 is 589609409.

It can be written as a sum of positive squares in 3 ways, for example, as 4618969369 + 4430100481 = 67963^2 + 66559^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 180981397 = 9049069850 / (9 + 0 + 4 + 9 + 0 + 6 + 9 + 8 + 5 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90490649 + ... + 90490748.

Almost surely, 29049069850 is an apocalyptic number.

9049069850 is a deficient number, since it is larger than the sum of its proper divisors (7782200164).

9049069850 is a wasteful number, since it uses less digits than its factorization.

9049069850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180981409 (or 180981404 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 9049069850 is about 95126.5990667174. The cubic root of 9049069850 is about 2083.8573215673.

The spelling of 9049069850 in words is "nine billion, forty-nine million, sixty-nine thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 180981397 361962794 904906985 1809813970 4524534925 9049069850