Search a number
-
+
105242544486 = 2332669373013
BaseRepresentation
bin110001000000011110…
…0011100100101100110
3101001122112102012022000
41202000330130211212
53211014042410421
6120203040550130
710414002603522
oct1420074344546
9331575365260
10105242544486
11406a67443a2
1218491622346
139c029a0381
14514541ad82
152b0e601226
hex1880f1c966

105242544486 has 32 divisors (see below), whose sum is σ = 233884285920. Its totient is φ = 35079053472.

The previous prime is 105242544467. The next prime is 105242544493. The reversal of 105242544486 is 684445242501.

105242544486 is a `hidden beast` number, since 1 + 0 + 5 + 24 + 2 + 544 + 4 + 86 = 666.

It is a super-2 number, since 2×1052425444862 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404916 + ... + 1477928.

It is an arithmetic number, because the mean of its divisors is an integer number (7308883935).

Almost surely, 2105242544486 is an apocalyptic number.

105242544486 is an abundant number, since it is smaller than the sum of its proper divisors (128641741434).

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

105242544486 is a wasteful number, since it uses less digits than its factorization.

105242544486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99717 (or 99711 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

Adding to 105242544486 its reverse (684445242501), we get a palindrome (789687786987).

The spelling of 105242544486 in words is "one hundred five billion, two hundred forty-two million, five hundred forty-four thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 26693 53386 73013 80079 146026 160158 219039 240237 438078 480474 657117 720711 1314234 1441422 1971351 3942702 1948936009 3897872018 5846808027 11693616054 17540424081 35080848162 52621272243 105242544486