Base | Representation |
---|---|
bin | 11110101110000001100… |
… | …001111100000100001100 |
3 | 21110210212100212210002020 |
4 | 132232001201330010030 |
5 | 234041313014144410 |
6 | 4253440405130140 |
7 | 305341412533554 |
oct | 36560141740414 |
9 | 7423770783066 |
10 | 2111002099980 |
11 | 7442a87194a4 |
12 | 2a11623b9950 |
13 | 1240b3555237 |
14 | 7425cbaa164 |
15 | 39da306da70 |
hex | 1eb8187c10c |
2111002099980 has 96 divisors (see below), whose sum is σ = 5932152145920. Its totient is φ = 560904341760.
The previous prime is 2111002099961. The next prime is 2111002100071. The reversal of 2111002099980 is 899902001112.
It is a super-2 number, since 2×21110020999802 (a number of 25 digits) contains 22 as substring.
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, 19886445 + ... + 19992315.
It is an arithmetic number, because the mean of its divisors is an integer number (61793251520).
Almost surely, 22111002099980 is an apocalyptic number.
2111002099980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2111002099980 is an abundant number, since it is smaller than the sum of its proper divisors (3821150045940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111002099980 is a wasteful number, since it uses less digits than its factorization.
2111002099980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107079 (or 107077 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 42.
The spelling of 2111002099980 in words is "two trillion, one hundred eleven billion, two million, ninety-nine thousand, nine hundred eighty".
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