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1631140106 = 217239200731
BaseRepresentation
bin110000100111001…
…0011100100001010
311012200021111120112
41201032103210022
511320032440411
6425504554322
755264314341
oct14116234412
94180244515
101631140106
11767810782
123963229a2
131ccc1997b
141168bcb58
1598300b8b
hex6139390a

1631140106 has 16 divisors (see below), whose sum is σ = 2601486720. Its totient is φ = 764379840.

The previous prime is 1631140099. The next prime is 1631140109. The reversal of 1631140106 is 6010411361.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1631140109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 92240 + ... + 108491.

It is an arithmetic number, because the mean of its divisors is an integer number (162592920).

Almost surely, 21631140106 is an apocalyptic number.

1631140106 is a deficient number, since it is larger than the sum of its proper divisors (970346614).

1631140106 is a wasteful number, since it uses less digits than its factorization.

1631140106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200989.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1631140106 is about 40387.3755770290. The cubic root of 1631140106 is about 1177.1462462409.

Adding to 1631140106 its reverse (6010411361), we get a palindrome (7641551467).

The spelling of 1631140106 in words is "one billion, six hundred thirty-one million, one hundred forty thousand, one hundred six".

Divisors: 1 2 17 34 239 478 4063 8126 200731 401462 3412427 6824854 47974709 95949418 815570053 1631140106