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13081624867490 = 251308162486749
BaseRepresentation
bin1011111001011100110110…
…0110100111001010100010
31201022120221221002102102212
42332113031212213022202
53203312131431224430
643453340540442122
72520054600464114
oct276271546471242
951276857072385
1013081624867490
114193982222873
121573381849342
1373b790621a8a
143332228c93b4
1517a43a617b95
hexbe5cd9a72a2

13081624867490 has 8 divisors (see below), whose sum is σ = 23546924761500. Its totient is φ = 5232649946992.

The previous prime is 13081624867477. The next prime is 13081624867583. The reversal of 13081624867490 is 9476842618031.

It can be written as a sum of positive squares in 2 ways, for example, as 11057427223441 + 2024197644049 = 3325271^2 + 1422743^2 .

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

It is a super-2 number, since 2×130816248674902 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654081243365 + ... + 654081243384.

Almost surely, 213081624867490 is an apocalyptic number.

13081624867490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13081624867490 is a deficient number, since it is larger than the sum of its proper divisors (10465299894010).

13081624867490 is a wasteful number, since it uses less digits than its factorization.

13081624867490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308162486756.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 13081624867490 in words is "thirteen trillion, eighty-one billion, six hundred twenty-four million, eight hundred sixty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 1308162486749 2616324973498 6540812433745 13081624867490