Search a number
-
+
105204612238 = 21121122663639
BaseRepresentation
bin110000111111010101…
…1101111110010001110
3101001112220001001000221
41201332223233302032
53210424340042423
6120155203541554
710413032310055
oct1417653576216
9331486031027
10105204612238
1140687296330
121848098a8ba
139bc7b7ba5b
14514038539c
152b0b10be5d
hex187eaefc8e

105204612238 has 16 divisors (see below), whose sum is σ = 172968900480. Its totient is φ = 47593639800.

The previous prime is 105204612229. The next prime is 105204612311. The reversal of 105204612238 is 832216402501.

It is a super-2 number, since 2×1052046122382 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11327178 + ... + 11336461.

It is an arithmetic number, because the mean of its divisors is an integer number (10810556280).

Almost surely, 2105204612238 is an apocalyptic number.

105204612238 is a deficient number, since it is larger than the sum of its proper divisors (67764288242).

105204612238 is a wasteful number, since it uses less digits than its factorization.

105204612238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22663863.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 105204612238 in words is "one hundred five billion, two hundred four million, six hundred twelve thousand, two hundred thirty-eight".

Divisors: 1 2 11 22 211 422 2321 4642 22663639 45327278 249300029 498600058 4782027829 9564055658 52602306119 105204612238