Search a number
-
+
194885918844 = 22316699730673
BaseRepresentation
bin1011010110000000011…
…0110010000001111100
3200122000221020110000020
42311200012302001330
511143111243400334
6225310201332140
720036311656261
oct2654006620174
9618027213006
10194885918844
1175718025351
123192aa97050
13154ba959756
14960ac05268
1551094d5e49
hex2d601b207c

194885918844 has 24 divisors (see below), whose sum is σ = 455006316240. Its totient is φ = 64923043584.

The previous prime is 194885918831. The next prime is 194885918873. The reversal of 194885918844 is 448819588491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4845309 + ... + 4885364.

It is an arithmetic number, because the mean of its divisors is an integer number (18958596510).

Almost surely, 2194885918844 is an apocalyptic number.

It is an amenable number.

194885918844 is an abundant number, since it is smaller than the sum of its proper divisors (260120397396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194885918844 is a wasteful number, since it uses less digits than its factorization.

194885918844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732349 (or 9732347 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 69.

The spelling of 194885918844 in words is "one hundred ninety-four billion, eight hundred eighty-five million, nine hundred eighteen thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 1669 3338 5007 6676 10014 20028 9730673 19461346 29192019 38922692 58384038 116768076 16240493237 32480986474 48721479711 64961972948 97442959422 194885918844