Base | Representation |
---|---|
bin | 1001011100001001000011… |
… | …10010011100100100111000 |
3 | 2201111110101201210200120012 |
4 | 10232010201302130210320 |
5 | 10210100134304021234 |
6 | 112052054251121052 |
7 | 4241504104064645 |
oct | 456044162344470 |
9 | 81443351720505 |
10 | 20758143813944 |
11 | 6683530023729 |
12 | 23b3098443188 |
13 | b7763b777ac4 |
14 | 51a9b16b4dcc |
15 | 25ee7873a0ce |
hex | 12e121c9c938 |
20758143813944 has 32 divisors (see below), whose sum is σ = 40161853015200. Its totient is φ = 10052011937280.
The previous prime is 20758143813923. The next prime is 20758143814013. The reversal of 20758143813944 is 44931834185702.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230929604 + ... + 231019475.
It is an arithmetic number, because the mean of its divisors is an integer number (1255057906725).
Almost surely, 220758143813944 is an apocalyptic number.
It is an amenable number.
20758143813944 is a deficient number, since it is larger than the sum of its proper divisors (19403709201256).
20758143813944 is a wasteful number, since it uses less digits than its factorization.
20758143813944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461949263 (or 461949259 counting only the distinct ones).
The product of its (nonzero) digits is 23224320, while the sum is 59.
The spelling of 20758143813944 in words is "twenty trillion, seven hundred fifty-eight billion, one hundred forty-three million, eight hundred thirteen thousand, nine hundred forty-four".
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