Search a number
-
+
105112531148 = 22140263187349
BaseRepresentation
bin110000111100100110…
…0011111000011001100
3101001022110202211112012
41201321030133003030
53210232301444043
6120142114200352
710410533526062
oct1417114370314
9331273684465
10105112531148
114063a313459
1218455b830b8
139bb1a7b7c1
145132056032
152b02ebda18
hex187931f0cc

105112531148 has 12 divisors (see below), whose sum is σ = 183949222800. Its totient is φ = 52555610352.

The previous prime is 105112531129. The next prime is 105112531163. The reversal of 105112531148 is 841135211501.

It is a super-2 number, since 2×1051125311482 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467378 + ... + 654726.

It is an arithmetic number, because the mean of its divisors is an integer number (15329101900).

Almost surely, 2105112531148 is an apocalyptic number.

It is an amenable number.

105112531148 is a deficient number, since it is larger than the sum of its proper divisors (78836691652).

105112531148 is a wasteful number, since it uses less digits than its factorization.

105112531148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327616 (or 327614 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 32.

Adding to 105112531148 its reverse (841135211501), we get a palindrome (946247742649).

The spelling of 105112531148 in words is "one hundred five billion, one hundred twelve million, five hundred thirty-one thousand, one hundred forty-eight".

Divisors: 1 2 4 140263 187349 280526 374698 561052 749396 26278132787 52556265574 105112531148