Base | Representation |
---|---|
bin | 1000110111000101100100… |
… | …00000100000011100001100 |
3 | 2112222202002020022201121021 |
4 | 10123202302000200130030 |
5 | 10023220143240210410 |
6 | 105235133255243524 |
7 | 4050512266254505 |
oct | 433426200403414 |
9 | 75882066281537 |
10 | 19484958131980 |
11 | 6232584991560 |
12 | 22283950795a4 |
13 | ab4567a4b053 |
14 | 4b5111435bac |
15 | 23bcad91ceda |
hex | 11b8b202070c |
19484958131980 has 96 divisors (see below), whose sum is σ = 44711509489920. Its totient is φ = 7073818080000.
The previous prime is 19484958131959. The next prime is 19484958131993. The reversal of 19484958131980 is 8913185948491.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927005911 + ... + 927026929.
It is an arithmetic number, because the mean of its divisors is an integer number (465744890520).
Almost surely, 219484958131980 is an apocalyptic number.
19484958131980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19484958131980 is an abundant number, since it is smaller than the sum of its proper divisors (25226551357940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19484958131980 is a wasteful number, since it uses less digits than its factorization.
19484958131980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27751 (or 27749 counting only the distinct ones).
The product of its (nonzero) digits is 89579520, while the sum is 70.
The spelling of 19484958131980 in words is "nineteen trillion, four hundred eighty-four billion, nine hundred fifty-eight million, one hundred thirty-one thousand, nine hundred eighty".
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