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17392990690 = 2544313812843
BaseRepresentation
bin10000001100101100…
…111111100111100010
31122220010222110210101
4100030230333213202
5241110101200230
611553520053014
71154004660445
oct201454774742
948803873711
1017392990690
117415987379
123454a6416a
13184254c48a
14badd7b65c
156bbe53aca
hex40cb3f9e2

17392990690 has 32 divisors (see below), whose sum is σ = 31411820736. Its totient is φ = 6934025280.

The previous prime is 17392990679. The next prime is 17392990709. The reversal of 17392990690 is 9609929371.

It is a super-2 number, since 2×173929906902 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6116409 + ... + 6119251.

It is an arithmetic number, because the mean of its divisors is an integer number (981619398).

Almost surely, 217392990690 is an apocalyptic number.

17392990690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17392990690 is a deficient number, since it is larger than the sum of its proper divisors (14018830046).

17392990690 is a wasteful number, since it uses less digits than its factorization.

17392990690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The spelling of 17392990690 in words is "seventeen billion, three hundred ninety-two million, nine hundred ninety thousand, six hundred ninety".

Divisors: 1 2 5 10 443 886 1381 2215 2762 2843 4430 5686 6905 13810 14215 28430 611783 1223566 1259449 2518898 3058915 3926183 6117830 6297245 7852366 12594490 19630915 39261830 1739299069 3478598138 8696495345 17392990690