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210131235504122 = 2571574932006059
BaseRepresentation
bin101111110001110011111101…
…101001011111111111111010
31000120000100110002121200001112
4233301303331221133333322
5210020242232242112442
62022524542410520322
762155323622236242
oct5761637551377772
91016010402550045
10210131235504122
1160a5517a371a89
121b698a117360a2
1390333a126474a
1439c6598350b22
151945ee0546082
hexbf1cfda5fffa

210131235504122 has 16 divisors (see below), whose sum is σ = 315803794020000. Its totient is φ = 104863368188880.

The previous prime is 210131235504101. The next prime is 210131235504137. The reversal of 210131235504122 is 221405532131012.

It is a super-2 number, since 2×2101312355041222 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9437672 + ... + 22568387.

It is an arithmetic number, because the mean of its divisors is an integer number (19737737126250).

Almost surely, 2210131235504122 is an apocalyptic number.

210131235504122 is a deficient number, since it is larger than the sum of its proper divisors (105672558515878).

210131235504122 is a wasteful number, since it uses less digits than its factorization.

210131235504122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32012381.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 210131235504122 its reverse (221405532131012), we get a palindrome (431536767635134).

The spelling of 210131235504122 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred thirty-five million, five hundred four thousand, one hundred twenty-two".

Divisors: 1 2 571 1142 5749 11498 3282679 6565358 32006059 64012118 18275459689 36550919378 184002833191 368005666382 105065617752061 210131235504122