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12510530544131 = 14838435961257
BaseRepresentation
bin1011011000001101010110…
…1110101010001000000011
31122021222212101100212212222
42312003111232222020003
53114433031304403011
642335131451241255
72430566416023614
oct266032556521003
948258771325788
1012510530544131
113a93760385a34
1214a075b44922b
136c9979415759
143137275cbc0b
1516a6632aeddb
hexb60d5baa203

12510530544131 has 4 divisors (see below), whose sum is σ = 12518966506872. Its totient is φ = 12502094581392.

The previous prime is 12510530544097. The next prime is 12510530544181. The reversal of 12510530544131 is 13144503501521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12510530544131 - 234 = 12493350674947 is a prime.

It is a super-2 number, since 2×125105305441312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12510530544091 and 12510530544100.

It is not an unprimeable number, because it can be changed into a prime (12510530544181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217979146 + ... + 4217982111.

It is an arithmetic number, because the mean of its divisors is an integer number (3129741626718).

Almost surely, 212510530544131 is an apocalyptic number.

12510530544131 is a deficient number, since it is larger than the sum of its proper divisors (8435962741).

12510530544131 is an equidigital number, since it uses as much as digits as its factorization.

12510530544131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435962740.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 12510530544131 in words is "twelve trillion, five hundred ten billion, five hundred thirty million, five hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 1483 8435961257 12510530544131