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50023003145 = 511099021281
BaseRepresentation
bin101110100101100110…
…100111010000001001
311210010012002212000012
4232211212213100021
51304421342100040
634551422321305
73420421340213
oct564546472011
9153105085005
1050023003145
111a23a754715
129840729235
13494276505b
1425c77db5b3
15147b8da865
hexba59a7409

50023003145 has 8 divisors (see below), whose sum is σ = 60081738120. Its totient is φ = 39982312960.

The previous prime is 50023003133. The next prime is 50023003181. The reversal of 50023003145 is 54130032005.

It can be written as a sum of positive squares in 4 ways, for example, as 5439947536 + 44583055609 = 73756^2 + 211147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-50023003145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50023003145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505096 + ... + 4516185.

It is an arithmetic number, because the mean of its divisors is an integer number (7510217265).

Almost surely, 250023003145 is an apocalyptic number.

It is an amenable number.

50023003145 is a deficient number, since it is larger than the sum of its proper divisors (10058734975).

50023003145 is a wasteful number, since it uses less digits than its factorization.

50023003145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022395.

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 50023003145 in words is "fifty billion, twenty-three million, three thousand, one hundred forty-five".

Divisors: 1 5 1109 5545 9021281 45106405 10004600629 50023003145