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192999391876 = 22291663787861
BaseRepresentation
bin1011001110111110101…
…0010000001010000100
3200110011110101221112001
42303233222100022010
511130230321020001
6224355050435044
716641463522534
oct2635752201204
9613143357461
10192999391876
117493a141755
12314a3132a84
1315279b624c5
1494ac4474c4
155048a8a001
hex2cefa90284

192999391876 has 12 divisors (see below), whose sum is σ = 349395451020. Its totient is φ = 93172120160.

The previous prime is 192999391853. The next prime is 192999391891. The reversal of 192999391876 is 678193999291.

It can be written as a sum of positive squares in 2 ways, for example, as 159860830276 + 33138561600 = 399826^2 + 182040^2 .

It is a junction number, because it is equal to n+sod(n) for n = 192999391799 and 192999391808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831893815 + ... + 831894046.

It is an arithmetic number, because the mean of its divisors is an integer number (29116287585).

Almost surely, 2192999391876 is an apocalyptic number.

It is an amenable number.

192999391876 is a deficient number, since it is larger than the sum of its proper divisors (156396059144).

192999391876 is a wasteful number, since it uses less digits than its factorization.

192999391876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663787894 (or 1663787892 counting only the distinct ones).

The product of its digits is 119042784, while the sum is 73.

The spelling of 192999391876 in words is "one hundred ninety-two billion, nine hundred ninety-nine million, three hundred ninety-one thousand, eight hundred seventy-six".

Divisors: 1 2 4 29 58 116 1663787861 3327575722 6655151444 48249847969 96499695938 192999391876