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19238286068 = 22191511676393
BaseRepresentation
bin10001111010101100…
…001111001011110100
31211122202020012011122
4101322230033023310
5303400000123233
612500555123112
71250512506401
oct217254171364
954582205148
1019238286068
118182569081
12388aa43498
131a7793b431
14d070852a8
15778e57d98
hex47ab0f2f4

19238286068 has 24 divisors (see below), whose sum is σ = 35673664320. Its totient is φ = 9052516800.

The previous prime is 19238286031. The next prime is 19238286071. The reversal of 19238286068 is 86068283291.

It is a super-2 number, since 2×192382860682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826721 + ... + 849672.

It is an arithmetic number, because the mean of its divisors is an integer number (1486402680).

Almost surely, 219238286068 is an apocalyptic number.

It is an amenable number.

19238286068 is a deficient number, since it is larger than the sum of its proper divisors (16435378252).

19238286068 is a wasteful number, since it uses less digits than its factorization.

19238286068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676567 (or 1676565 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 19238286068 in words is "nineteen billion, two hundred thirty-eight million, two hundred eighty-six thousand, sixty-eight".

Divisors: 1 2 4 19 38 76 151 302 604 2869 5738 11476 1676393 3352786 6705572 31851467 63702934 127405868 253135343 506270686 1012541372 4809571517 9619143034 19238286068