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202124424131 = 7167339150989
BaseRepresentation
bin1011110000111110001…
…1011111001111000011
3201022201101202121112122
42330033203133033003
511302422323033011
6232504335514455
720413555154240
oct2741743371703
9638641677478
10202124424131
11787a1a71523
123320b088a2b
13160a24ac086
149ad62c85c7
1553cec133db
hex2f0f8df3c3

202124424131 has 16 divisors (see below), whose sum is σ = 232455659520. Its totient is φ = 172157922720.

The previous prime is 202124424127. The next prime is 202124424149. The reversal of 202124424131 is 131424421202.

It is not a de Polignac number, because 202124424131 - 22 = 202124424127 is a prime.

It is a super-2 number, since 2×2021244241312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202124424131.

It is not an unprimeable number, because it can be changed into a prime (202124424331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3938585 + ... + 3989573.

It is an arithmetic number, because the mean of its divisors is an integer number (14528478720).

Almost surely, 2202124424131 is an apocalyptic number.

202124424131 is a deficient number, since it is larger than the sum of its proper divisors (30331235389).

202124424131 is a wasteful number, since it uses less digits than its factorization.

202124424131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54554.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 202124424131 its reverse (131424421202), we get a palindrome (333548845333).

The spelling of 202124424131 in words is "two hundred two billion, one hundred twenty-four million, four hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 7 167 1169 3391 23737 50989 356923 566297 3964079 8515163 59606141 172903699 1210325893 28874917733 202124424131