Base | Representation |
---|---|
bin | 110010110110011000000… |
… | …1001100000101000001110 |
3 | 220202010002212212202210200 |
4 | 1211230300021200220032 |
5 | 1404000344203334102 |
6 | 22510323511114330 |
7 | 1320626662235211 |
oct | 145546011405016 |
9 | 26663085782720 |
10 | 6988719589902 |
11 | 2254999016276 |
12 | 94a5640729a6 |
13 | 3b90585a1a5b |
14 | 1a2382011778 |
15 | c1bd522051c |
hex | 65b30260a0e |
6988719589902 has 96 divisors (see below), whose sum is σ = 15972573157632. Its totient is φ = 2204058650112.
The previous prime is 6988719589861. The next prime is 6988719589913. The reversal of 6988719589902 is 2099859178896.
It is a super-4 number, since 4×69887195899024 (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.
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, 71713653 + ... + 71811039.
It is an arithmetic number, because the mean of its divisors is an integer number (166380970392).
Almost surely, 26988719589902 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6988719589902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7986286578816).
6988719589902 is an abundant number, since it is smaller than the sum of its proper divisors (8983853567730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6988719589902 is a wasteful number, since it uses less digits than its factorization.
6988719589902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99302 (or 99299 counting only the distinct ones).
The product of its (nonzero) digits is 1410877440, while the sum is 81.
The spelling of 6988719589902 in words is "six trillion, nine hundred eighty-eight billion, seven hundred nineteen million, five hundred eighty-nine thousand, nine hundred two".
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