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289622074561 = 1312210855531
BaseRepresentation
bin1000011011011101101…
…00100010010011000001
31000200120021000210101021
410031232310202103001
514221121222341221
6341014530105441
726632051005061
oct4155664422301
91020507023337
10289622074561
11101912124316
1248169a1b281
1321407a5b621
1410036b233a1
15780154d041
hex436ed224c1

289622074561 has 4 divisors (see below), whose sum is σ = 291832930224. Its totient is φ = 287411218900.

The previous prime is 289622074559. The next prime is 289622074571. The reversal of 289622074561 is 165470226982.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 289622074561 - 21 = 289622074559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289622074499 and 289622074508.

It is not an unprimeable number, because it can be changed into a prime (289622074571) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1105427635 + ... + 1105427896.

It is an arithmetic number, because the mean of its divisors is an integer number (72958232556).

Almost surely, 2289622074561 is an apocalyptic number.

It is an amenable number.

289622074561 is a deficient number, since it is larger than the sum of its proper divisors (2210855663).

289622074561 is a wasteful number, since it uses less digits than its factorization.

289622074561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210855662.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 289622074561 in words is "two hundred eighty-nine billion, six hundred twenty-two million, seventy-four thousand, five hundred sixty-one".

Divisors: 1 131 2210855531 289622074561