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194808287050 = 252132699111043
BaseRepresentation
bin1011010101101101111…
…0101000111101001010
3200121211112011100012121
42311123132220331022
511142431410141200
6225254345401454
720034350055436
oct2653336507512
9617745140177
10194808287050
1175688221443
1231908a9928a
13154a7848290
1496007979c6
15510279de1a
hex2d5b7a8f4a

194808287050 has 48 divisors (see below), whose sum is σ = 390364077600. Its totient is φ = 71901915840.

The previous prime is 194808287033. The next prime is 194808287057. The reversal of 194808287050 is 50782808491.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (194808287057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1698829 + ... + 1809871.

It is an arithmetic number, because the mean of its divisors is an integer number (8132584950).

Almost surely, 2194808287050 is an apocalyptic number.

194808287050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194808287050 is an abundant number, since it is smaller than the sum of its proper divisors (195555790550).

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

194808287050 is a wasteful number, since it uses less digits than its factorization.

194808287050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113767 (or 113762 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 194808287050 in words is "one hundred ninety-four billion, eight hundred eight million, two hundred eighty-seven thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 2699 5398 13495 26990 35087 67475 70174 111043 134950 175435 222086 350870 555215 877175 1110430 1443559 1754350 2776075 2887118 5552150 7217795 14435590 36088975 72177950 299705057 599410114 1498525285 2997050570 3896165741 7492626425 7792331482 14985252850 19480828705 38961657410 97404143525 194808287050