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290973567145 = 5173423218437
BaseRepresentation
bin1000011101111110110…
…00000100100010101001
31000211001110002201200011
410032333120010202221
514231403213122040
6341401005211521
730010411340512
oct4167730044251
91024043081604
10290973567145
11102445aa1738
1248486560ba1
1321591a55191
1410124409a09
1578800103ea
hex43bf6048a9

290973567145 has 8 divisors (see below), whose sum is σ = 369707591304. Its totient is φ = 219085979904.

The previous prime is 290973567127. The next prime is 290973567173. The reversal of 290973567145 is 541765379092.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9178214809 + 281795352336 = 95803^2 + 530844^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 290973567145 - 217 = 290973436073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290973567145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711609134 + ... + 1711609303.

It is an arithmetic number, because the mean of its divisors is an integer number (46213448913).

Almost surely, 2290973567145 is an apocalyptic number.

It is an amenable number.

290973567145 is a deficient number, since it is larger than the sum of its proper divisors (78734024159).

290973567145 is a wasteful number, since it uses less digits than its factorization.

290973567145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423218459.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 290973567145 in words is "two hundred ninety billion, nine hundred seventy-three million, five hundred sixty-seven thousand, one hundred forty-five".

Divisors: 1 5 17 85 3423218437 17116092185 58194713429 290973567145