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11925120252 = 2231952303159
BaseRepresentation
bin10110001101100101…
…01110010011111100
31010210002012212122110
423012302232103330
5143410312322002
65251152414020
7601341564303
oct130662562374
933702185573
1011925120252
11506a468391
122389847310
1311807a7b96
14811ac943a
1549bdcde6c
hex2c6cae4fc

11925120252 has 24 divisors (see below), whose sum is σ = 29289769600. Its totient is φ = 3765827376.

The previous prime is 11925120241. The next prime is 11925120281. The reversal of 11925120252 is 25202152911.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26151352 + ... + 26151807.

Almost surely, 211925120252 is an apocalyptic number.

11925120252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11925120252 is an abundant number, since it is smaller than the sum of its proper divisors (17364649348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11925120252 is a wasteful number, since it uses less digits than its factorization.

11925120252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52303185 (or 52303183 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 11925120252 in words is "eleven billion, nine hundred twenty-five million, one hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 52303159 104606318 156909477 209212636 313818954 627637908 993760021 1987520042 2981280063 3975040084 5962560126 11925120252