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194994000305 = 51329411125163
BaseRepresentation
bin1011010110011010001…
…1000101000110110001
3200122022110121112220022
42311212203011012301
511143321431002210
6225325022053225
720042063440466
oct2654643050661
9618273545808
10194994000305
1175773036575
123195b11a215
131550716c790
14961b2db66d
155113c35155
hex2d668c51b1

194994000305 has 32 divisors (see below), whose sum is σ = 260755407360. Its totient is φ = 138990862080.

The previous prime is 194994000301. The next prime is 194994000317. The reversal of 194994000305 is 503000499491.

It is a happy number.

It is not a de Polignac number, because 194994000305 - 22 = 194994000301 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (194994000301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7736654 + ... + 7761816.

It is an arithmetic number, because the mean of its divisors is an integer number (8148606480).

Almost surely, 2194994000305 is an apocalyptic number.

It is an amenable number.

194994000305 is a deficient number, since it is larger than the sum of its proper divisors (65761407055).

194994000305 is a wasteful number, since it uses less digits than its factorization.

194994000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29321.

The product of its (nonzero) digits is 174960, while the sum is 44.

Adding to 194994000305 its reverse (503000499491), we get a palindrome (697994499796).

It can be divided in two parts, 194 and 994000305, that added together give a palindrome (994000499).

The spelling of 194994000305 in words is "one hundred ninety-four billion, nine hundred ninety-four million, three hundred five", and thus it is an aban number.

Divisors: 1 5 13 29 65 145 377 1885 4111 20555 25163 53443 119219 125815 267215 327119 596095 729727 1549847 1635595 3648635 7749235 9486451 47432255 103445093 517225465 1344786209 2999907697 6723931045 14999538485 38998800061 194994000305