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17089937442 = 234102712
BaseRepresentation
bin11111110101010001…
…11100000000100010
31122010000201202220000
433322220330000202
5240000010444232
611503452400430
71143335033334
oct177250740042
948100652800
1017089937442
11727a907a46
12338b476116
1317c4822a26
14b81a11454
156a054027c
hex3faa3c022

17089937442 has 30 divisors (see below), whose sum is σ = 38297847819. Its totient is φ = 5696091180.

The previous prime is 17089937419. The next prime is 17089937471. The reversal of 17089937442 is 24473998071.

It can be written as a sum of positive squares in only one way, i.e., 8544968721 + 8544968721 = 92439^2 + 92439^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=92439.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1658767 + ... + 1669037.

Almost surely, 217089937442 is an apocalyptic number.

17089937442 is an abundant number, since it is smaller than the sum of its proper divisors (21207910377).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17089937442 is an frugal number, since it uses more digits than its factorization.

17089937442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20556 (or 10276 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 17089937442 in words is "seventeen billion, eighty-nine million, nine hundred thirty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 10271 20542 30813 61626 92439 184878 277317 554634 831951 1663902 105493441 210986882 316480323 632960646 949440969 1898881938 2848322907 5696645814 8544968721 17089937442