Base | Representation |
---|---|
bin | 10000000110011101… |
… | …000001000001011000 |
3 | 1122121211200110002112 |
4 | 100012131001001120 |
5 | 240401230420330 |
6 | 11535252451452 |
7 | 1151262520100 |
oct | 200635010130 |
9 | 48554613075 |
10 | 17288138840 |
11 | 7371781655 |
12 | 3425919b88 |
13 | 18268ca46b |
14 | ba0086200 |
15 | 6b2b41795 |
hex | 406741058 |
17288138840 has 48 divisors (see below), whose sum is σ = 45249062400. Its totient is φ = 5927361216.
The previous prime is 17288138801. The next prime is 17288138897. The reversal of 17288138840 is 4883188271.
It is a super-2 number, since 2×172881388402 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4408280 + ... + 4412199.
It is an arithmetic number, because the mean of its divisors is an integer number (942688800).
Almost surely, 217288138840 is an apocalyptic number.
17288138840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
17288138840 is an abundant number, since it is smaller than the sum of its proper divisors (27960923560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17288138840 is a wasteful number, since it uses less digits than its factorization.
17288138840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8820504 (or 8820493 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 50.
The spelling of 17288138840 in words is "seventeen billion, two hundred eighty-eight million, one hundred thirty-eight thousand, eight hundred forty".
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