Base | Representation |
---|---|
bin | 101010101001101101111… |
… | …011110110101100001000 |
3 | 101101012110021100222202212 |
4 | 222221231323312230020 |
5 | 341010203044243140 |
6 | 10122253253244252 |
7 | 421521132543566 |
oct | 52515573665410 |
9 | 11335407328685 |
10 | 2931012102920 |
11 | a30042a14600 |
12 | 3b4072033688 |
13 | 183515c9c525 |
14 | a1c0c89ca36 |
15 | 51397e05765 |
hex | 2aa6def6b08 |
2931012102920 has 96 divisors (see below), whose sum is σ = 7249397180760. Its totient is φ = 1065735475200.
The previous prime is 2931012102917. The next prime is 2931012102979. The reversal of 2931012102920 is 292012101392.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2448717966244 + 482294136676 = 1564838^2 + 694474^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107110040 + ... + 107137400.
Almost surely, 22931012102920 is an apocalyptic number.
2931012102920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2931012102920 is an abundant number, since it is smaller than the sum of its proper divisors (4318385077840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2931012102920 is a wasteful number, since it uses less digits than its factorization.
2931012102920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49527 (or 49512 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 32.
The spelling of 2931012102920 in words is "two trillion, nine hundred thirty-one billion, twelve million, one hundred two thousand, nine hundred twenty".
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