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105827783810 = 2572215975069
BaseRepresentation
bin110001010001111010…
…0111101010010000010
3101010011022122102201112
41202203310331102002
53213213403040220
6120341104403322
710434340214600
oct1424364752202
9333138572645
10105827783810
1140977030361
1218615616542
139c96ccb528
14519d040870
152b45ba55c5
hex18a3d3d482

105827783810 has 24 divisors (see below), whose sum is σ = 221590421820. Its totient is φ = 36283811424.

The previous prime is 105827783807. The next prime is 105827783843. The reversal of 105827783810 is 18387728501.

It can be written as a sum of positive squares in 2 ways, for example, as 99723955681 + 6103828129 = 315791^2 + 78127^2 .

It is a super-2 number, since 2×1058277838102 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107987045 + ... + 107988024.

Almost surely, 2105827783810 is an apocalyptic number.

105827783810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105827783810 is an abundant number, since it is smaller than the sum of its proper divisors (115762638010).

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

105827783810 is a wasteful number, since it uses less digits than its factorization.

105827783810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215975090 (or 215975083 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 105827783810 in words is "one hundred five billion, eight hundred twenty-seven million, seven hundred eighty-three thousand, eight hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 215975069 431950138 1079875345 1511825483 2159750690 3023650966 7559127415 10582778381 15118254830 21165556762 52913891905 105827783810