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105042152105 = 5116779360827
BaseRepresentation
bin110000111010100000…
…0000000101010101001
3101001010120100012121222
41201311000000222221
53210111242331410
6120131121511425
710406020363262
oct1416500005251
9331116305558
10105042152105
1140603613660
12184364a2575
139ba03095b7
145126975969
152aebc1a955
hex1875000aa9

105042152105 has 32 divisors (see below), whose sum is σ = 141329111040. Its totient is φ = 74301289920.

The previous prime is 105042152063. The next prime is 105042152113. The reversal of 105042152105 is 501251240501.

It is not a de Polignac number, because 105042152105 - 226 = 104975043241 is a prime.

It is a super-2 number, since 2×1050421521052 (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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110702 + ... + 471528.

It is an arithmetic number, because the mean of its divisors is an integer number (4416534720).

Almost surely, 2105042152105 is an apocalyptic number.

It is an amenable number.

105042152105 is a deficient number, since it is larger than the sum of its proper divisors (36286958935).

105042152105 is a wasteful number, since it uses less digits than its factorization.

105042152105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360989.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 105042152105 its reverse (501251240501), we get a palindrome (606293392606).

The spelling of 105042152105 in words is "one hundred five billion, forty-two million, one hundred fifty-two thousand, one hundred five".

Divisors: 1 5 11 55 67 79 335 395 737 869 3685 4345 5293 26465 58223 291115 360827 1804135 3969097 19845485 24175409 28505333 120877045 142526665 265929499 313558663 1329647495 1567793315 1909857311 9549286555 21008430421 105042152105