Base | Representation |
---|---|
bin | 11001101110111001… |
… | …11101111011101010 |
3 | 1022122210211000220012 |
4 | 30313130331323222 |
5 | 211243200224344 |
6 | 10202512331522 |
7 | 666232423565 |
oct | 146734757352 |
9 | 38583730805 |
10 | 13815242474 |
11 | 594a387170 |
12 | 2816843ba2 |
13 | 13c22606b7 |
14 | 950b414dc |
15 | 55ccda29e |
hex | 33773deea |
13815242474 has 32 divisors (see below), whose sum is σ = 23972366016. Its totient is φ = 5901425920.
The previous prime is 13815242449. The next prime is 13815242477. The reversal of 13815242474 is 47424251831.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13815242477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225917 + ... + 280479.
It is an arithmetic number, because the mean of its divisors is an integer number (749136438).
Almost surely, 213815242474 is an apocalyptic number.
13815242474 is a deficient number, since it is larger than the sum of its proper divisors (10157123542).
13815242474 is a wasteful number, since it uses less digits than its factorization.
13815242474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55270.
The product of its digits is 215040, while the sum is 41.
The spelling of 13815242474 in words is "thirteen billion, eight hundred fifteen million, two hundred forty-two thousand, four hundred seventy-four".
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