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19079433149 = 717160331371
BaseRepresentation
bin10001110001001110…
…010000101110111101
31211020200022121221012
4101301032100232331
5303033313330044
612433122245005
71243543335350
oct216116205675
954220277835
1019079433149
11810092a577
1238457b6765
131a50a5cb1a
14ccdd34297
1576a02a59e
hex471390bbd

19079433149 has 8 divisors (see below), whose sum is σ = 23087717568. Its totient is φ = 15391811520.

The previous prime is 19079433143. The next prime is 19079433161. The reversal of 19079433149 is 94133497091.

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

It is a cyclic number.

It is not a de Polignac number, because 19079433149 - 224 = 19062655933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19079433097 and 19079433106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19079433143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80165567 + ... + 80165804.

It is an arithmetic number, because the mean of its divisors is an integer number (2885964696).

Almost surely, 219079433149 is an apocalyptic number.

It is an amenable number.

19079433149 is a deficient number, since it is larger than the sum of its proper divisors (4008284419).

19079433149 is a wasteful number, since it uses less digits than its factorization.

19079433149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160331395.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 19079433149 in words is "nineteen billion, seventy-nine million, four hundred thirty-three thousand, one hundred forty-nine".

Divisors: 1 7 17 119 160331371 1122319597 2725633307 19079433149