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194244988933 = 367607871957
BaseRepresentation
bin1011010011100111100…
…1110101000000000101
3200120101021012211110101
42310321321311000011
511140303204121213
6225122424124101
720014400110042
oct2647171650005
9616337184411
10194244988933
1175419261206
1231790306631
1315417c2cc98
149589a461c9
1550bd0d0bdd
hex2d39e75005

194244988933 has 8 divisors (see below), whose sum is σ = 195095370752. Its totient is φ = 193396352976.

The previous prime is 194244988909. The next prime is 194244989011. The reversal of 194244988933 is 339889442491.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-194244988933 is a prime.

It is a super-2 number, since 2×1942449889332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194244988633) 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, 213210 + ... + 658747.

It is an arithmetic number, because the mean of its divisors is an integer number (24386921344).

Almost surely, 2194244988933 is an apocalyptic number.

It is an amenable number.

194244988933 is a deficient number, since it is larger than the sum of its proper divisors (850381819).

194244988933 is an equidigital number, since it uses as much as digits as its factorization.

194244988933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872931.

The product of its digits is 53747712, while the sum is 64.

The spelling of 194244988933 in words is "one hundred ninety-four billion, two hundred forty-four million, nine hundred eighty-eight thousand, nine hundred thirty-three".

Divisors: 1 367 607 222769 871957 320008219 529277899 194244988933