Search a number
-
+
198394349295 = 3583159352891
BaseRepresentation
bin1011100011000100111…
…0011000011011101111
3200222002102222011210210
42320301032120123233
511222302423134140
6231050251233503
720222253100422
oct2706116303357
9628072864723
10198394349295
117715849004a
1232549a48893
13159297883bc
149860b599b9
15526250ad80
hex2e313986ef

198394349295 has 16 divisors (see below), whose sum is σ = 321255430272. Its totient is φ = 104535495840.

The previous prime is 198394349287. The next prime is 198394349299. The reversal of 198394349295 is 592943493891.

It is not a de Polignac number, because 198394349295 - 23 = 198394349287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198394349299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79675201 + ... + 79677690.

It is an arithmetic number, because the mean of its divisors is an integer number (20078464392).

Almost surely, 2198394349295 is an apocalyptic number.

198394349295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198394349295 is a deficient number, since it is larger than the sum of its proper divisors (122861080977).

198394349295 is a wasteful number, since it uses less digits than its factorization.

198394349295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159352982.

The product of its digits is 75582720, while the sum is 66.

The spelling of 198394349295 in words is "one hundred ninety-eight billion, three hundred ninety-four million, three hundred forty-nine thousand, two hundred ninety-five".

Divisors: 1 3 5 15 83 249 415 1245 159352891 478058673 796764455 2390293365 13226289953 39678869859 66131449765 198394349295