Base | Representation |
---|---|
bin | 100000010101011010… |
… | …1011110000000110111 |
3 | 20122020021002210212201 |
4 | 1000222311132000313 |
5 | 2114202130331000 |
6 | 51522140125331 |
7 | 5005512264166 |
oct | 1005265360067 |
9 | 218207083781 |
10 | 69438136375 |
11 | 274a3021673 |
12 | 1155a836847 |
13 | 6717c1227a |
14 | 350a1593dd |
15 | 1c1612796a |
hex | 102ad5e037 |
69438136375 has 16 divisors (see below), whose sum is σ = 86677879392. Its totient is φ = 55538275200.
The previous prime is 69438136343. The next prime is 69438136451. The reversal of 69438136375 is 57363183496.
It is not a de Polignac number, because 69438136375 - 25 = 69438136343 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531567 + ... + 649183.
It is an arithmetic number, because the mean of its divisors is an integer number (5417367462).
Almost surely, 269438136375 is an apocalyptic number.
69438136375 is a deficient number, since it is larger than the sum of its proper divisors (17239743017).
69438136375 is a wasteful number, since it uses less digits than its factorization.
69438136375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122355 (or 122345 counting only the distinct ones).
The product of its digits is 9797760, while the sum is 55.
The spelling of 69438136375 in words is "sixty-nine billion, four hundred thirty-eight million, one hundred thirty-six thousand, three hundred seventy-five".
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