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12505244051443 = 111387449259101
BaseRepresentation
bin1011010111111001101010…
…1000010010011111110011
31122021111012221220020020111
42311332122220102133303
53114341214434121233
642332455123322151
72430321414414523
oct265763250223763
948244187806214
1012505244051443
113a9149828a810
12149b724b20357
136c9316108180
14313385471683
1516a454116acd
hexb5f9aa127f3

12505244051443 has 8 divisors (see below), whose sum is σ = 14691475529136. Its totient is φ = 10493911092000.

The previous prime is 12505244051441. The next prime is 12505244051453. The reversal of 12505244051443 is 34415044250521.

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 12505244051443 - 21 = 12505244051441 is a prime.

It is a super-2 number, since 2×125052440514432 (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 = 12505244051396 and 12505244051405.

It is not an unprimeable number, because it can be changed into a prime (12505244051441) 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, 43724629408 + ... + 43724629693.

It is an arithmetic number, because the mean of its divisors is an integer number (1836434441142).

Almost surely, 212505244051443 is an apocalyptic number.

12505244051443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12505244051443 is a deficient number, since it is larger than the sum of its proper divisors (2186231477693).

12505244051443 is a wasteful number, since it uses less digits than its factorization.

12505244051443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87449259125.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 12505244051443 in words is "twelve trillion, five hundred five billion, two hundred forty-four million, fifty-one thousand, four hundred forty-three".

Divisors: 1 11 13 143 87449259101 961941850111 1136840368313 12505244051443