Base | Representation |
---|---|
bin | 100000100011101101… |
… | …0000110001011101110 |
3 | 20200110200010000100022 |
4 | 1001013122012023232 |
5 | 2121142340001032 |
6 | 52041502402142 |
7 | 5023422642200 |
oct | 1010732061356 |
9 | 220420100308 |
10 | 69917500142 |
11 | 27719673776 |
12 | 11673290352 |
13 | 6793320479 |
14 | 3553a9c770 |
15 | 1c43266512 |
hex | 10476862ee |
69917500142 has 96 divisors (see below), whose sum is σ = 135494840448. Its totient is φ = 26854861824.
The previous prime is 69917500127. The next prime is 69917500157. The reversal of 69917500142 is 24100571996.
It is an interprime number because it is at equal distance from previous prime (69917500127) and next prime (69917500157).
It is a super-2 number, since 2×699175001422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 69917500093 and 69917500102.
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 47 ways as a sum of consecutive naturals, for example, 2885108 + ... + 2909240.
It is an arithmetic number, because the mean of its divisors is an integer number (1411404588).
Almost surely, 269917500142 is an apocalyptic number.
69917500142 is a deficient number, since it is larger than the sum of its proper divisors (65577340306).
69917500142 is a wasteful number, since it uses less digits than its factorization.
69917500142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24250 (or 24243 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 44.
The spelling of 69917500142 in words is "sixty-nine billion, nine hundred seventeen million, five hundred thousand, one hundred forty-two".
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