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210131112222130 = 25113076222419669
BaseRepresentation
bin101111110001110011110110…
…010011001101110110110010
31000120000100010111122021221211
4233301303312103031312302
5210020242004212102010
62022524522244310334
762155320564325441
oct5761636623156662
91016010114567854
10210131112222130
1160a55116819440
121b6989983a23aa
13903338185ba18
1439c6585c1cd58
151945ed47e308a
hexbf1cf64cddb2

210131112222130 has 32 divisors (see below), whose sum is σ = 413965135805760. Its totient is φ = 76162416736320.

The previous prime is 210131112222089. The next prime is 210131112222131. The reversal of 210131112222130 is 31222211131012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (210131112222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3111176065 + ... + 3111243604.

It is an arithmetic number, because the mean of its divisors is an integer number (12936410493930).

Almost surely, 2210131112222130 is an apocalyptic number.

210131112222130 is a deficient number, since it is larger than the sum of its proper divisors (203834023583630).

210131112222130 is a wasteful number, since it uses less digits than its factorization.

210131112222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222419994.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 210131112222130 its reverse (31222211131012), we get a palindrome (241353323353142).

The spelling of 210131112222130 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 307 614 1535 3070 3377 6754 16885 33770 6222419669 12444839338 31112098345 62224196690 68446616359 136893232718 342233081795 684466163590 1910282838383 3820565676766 9551414191915 19102828383830 21013111222213 42026222444426 105065556111065 210131112222130