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19090939382 = 282457115763
BaseRepresentation
bin10001110001111010…
…001001110111110110
31211021110222012111222
4101301322021313312
5303044240030012
612434213030342
71244043210254
oct216172116766
954243865458
1019090939382
118107379359
1238496253b2
131a5325b148
14cd168b5d4
1576b04e972
hex471e89df6

19090939382 has 8 divisors (see below), whose sum is σ = 28637003736. Its totient is φ = 9545271472.

The previous prime is 19090939369. The next prime is 19090939391. The reversal of 19090939382 is 28393909091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107033 + ... + 222795.

It is an arithmetic number, because the mean of its divisors is an integer number (3579625467).

Almost surely, 219090939382 is an apocalyptic number.

19090939382 is a deficient number, since it is larger than the sum of its proper divisors (9546064354).

19090939382 is a wasteful number, since it uses less digits than its factorization.

19090939382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198222.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 19090939382 in words is "nineteen billion, ninety million, nine hundred thirty-nine thousand, three hundred eighty-two".

Divisors: 1 2 82457 115763 164914 231526 9545469691 19090939382