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10494817442 = 210726772
BaseRepresentation
bin10011100011000101…
…00011010010100010
31000002101211222001022
421301202203102202
5132443133124232
64453220205442
7521033322254
oct116142432242
930071758038
1010494817442
1144a606174a
12204a839882
13cb3379665
14717b69cd4
15416550812
hex2718a34a2

10494817442 has 18 divisors (see below), whose sum is σ = 15914231697. Its totient is φ = 5190688984.

The previous prime is 10494817441. The next prime is 10494817471. The reversal of 10494817442 is 24471849401.

It can be written as a sum of positive squares in 2 ways, for example, as 6051128521 + 4443688921 = 77789^2 + 66661^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=72439.

It is a super-2 number, since 2×104948174422 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10494817393 and 10494817402.

It is not an unprimeable number, because it can be changed into a prime (10494817441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15501608 + ... + 15502284.

Almost surely, 210494817442 is an apocalyptic number.

10494817442 is a deficient number, since it is larger than the sum of its proper divisors (5419414255).

10494817442 is an frugal number, since it uses more digits than its factorization.

10494817442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 10494817442 in words is "ten billion, four hundred ninety-four million, eight hundred seventeen thousand, four hundred forty-two".

Divisors: 1 2 107 214 677 1354 11449 22898 72439 144878 458329 916658 7750973 15501946 49041203 98082406 5247408721 10494817442