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12510533101 = 118803129197
BaseRepresentation
bin10111010011010111…
…11001010111101101
31012021212202221002211
423221223321113231
5201110144024401
65425224050421
7622010530303
oct135153712755
935255687084
1012510533101
11533a962760
122511903a11
131244b67011
14869756273
154d34b9951
hex2e9af95ed

12510533101 has 8 divisors (see below), whose sum is σ = 13649510304. Its totient is φ = 11371831920.

The previous prime is 12510533099. The next prime is 12510533111. The reversal of 12510533101 is 10133501521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12510533101 - 21 = 12510533099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510533111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32235 + ... + 161431.

It is an arithmetic number, because the mean of its divisors is an integer number (1706188788).

Almost surely, 212510533101 is an apocalyptic number.

12510533101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12510533101 is a deficient number, since it is larger than the sum of its proper divisors (1138977203).

12510533101 is a wasteful number, since it uses less digits than its factorization.

12510533101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138011.

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 12510533101 in words is "twelve billion, five hundred ten million, five hundred thirty-three thousand, one hundred one".

Divisors: 1 11 8803 96833 129197 1421167 1137321191 12510533101