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283923322568 = 231883892
BaseRepresentation
bin1000010000110110010…
…01100001011011001000
31000010212002211012021122
410020123021201123020
514122433332310233
6334233234054412
726340612264554
oct4103311413310
91003762735248
10283923322568
11aa45834a626
124703941a408
1320a0a209722
14da55d30864
1575bb0bdd98
hex421b2616c8

283923322568 has 12 divisors (see below), whose sum is σ = 532359055665. Its totient is φ = 141960907728.

The previous prime is 283923322561. The next prime is 283923322603. The reversal of 283923322568 is 865223329382.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 180742319044 + 103181003524 = 425138^2 + 321218^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=376778.

It is a super-2 number, since 2×2839233225682 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283923322561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1412918 + ... + 1601306.

Almost surely, 2283923322568 is an apocalyptic number.

It is an amenable number.

283923322568 is a deficient number, since it is larger than the sum of its proper divisors (248435733097).

283923322568 is an frugal number, since it uses more digits than its factorization.

283923322568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376784 (or 188391 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 53.

The spelling of 283923322568 in words is "two hundred eighty-three billion, nine hundred twenty-three million, three hundred twenty-two thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 188389 376778 753556 1507112 35490415321 70980830642 141961661284 283923322568