Base | Representation |
---|---|
bin | 110001110110100110111100… |
… | …1011110000010111111101111 |
3 | 2010111122112000221010222021012 |
4 | 1203231031321132002333233 |
5 | 424434102433342432111 |
6 | 4152350301213455435 |
7 | 161236404221240366 |
oct | 14355157136027757 |
9 | 2114575027128235 |
10 | 438513903874031 |
11 | 1177a677a780767 |
12 | 41222b231a157b |
13 | 15a8b8b71226cb |
14 | 7a40286caa7dd |
15 | 35a6b4644748b |
hex | 18ed379782fef |
438513903874031 has 8 divisors (see below), whose sum is σ = 438877256110704. Its totient is φ = 438150554671680.
The previous prime is 438513903874021. The next prime is 438513903874061. The reversal of 438513903874031 is 130478309315834.
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 438513903874031 - 226 = 438513836765167 is a prime.
It is a super-2 number, since 2×4385139038740312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (438513903874001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358973180 + ... + 360192686.
It is an arithmetic number, because the mean of its divisors is an integer number (54859657013838).
Almost surely, 2438513903874031 is an apocalyptic number.
438513903874031 is a deficient number, since it is larger than the sum of its proper divisors (363352236673).
438513903874031 is a wasteful number, since it uses less digits than its factorization.
438513903874031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1517161.
The product of its (nonzero) digits is 26127360, while the sum is 59.
The spelling of 438513903874031 in words is "four hundred thirty-eight trillion, five hundred thirteen billion, nine hundred three million, eight hundred seventy-four thousand, thirty-one".
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