Base | Representation |
---|---|
bin | 100100100011100101000… |
… | …001000010001001000000 |
3 | 22220011011210021111120110 |
4 | 210203211001002021000 |
5 | 312124241401413430 |
6 | 5202013320511320 |
7 | 346331154331401 |
oct | 44434501021100 |
9 | 8804153244513 |
10 | 2512103154240 |
11 | 889416816199 |
12 | 346a4231b540 |
13 | 152b76023074 |
14 | 8982d2a39a8 |
15 | 4552b45a7b0 |
hex | 248e5042240 |
2512103154240 has 112 divisors (see below), whose sum is σ = 8170462460160. Its totient is φ = 653555281920.
The previous prime is 2512103154151. The next prime is 2512103154263. The reversal of 2512103154240 is 424513012152.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2512103154198 and 2512103154207.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31872520 + ... + 31951239.
It is an arithmetic number, because the mean of its divisors is an integer number (72950557680).
Almost surely, 22512103154240 is an apocalyptic number.
2512103154240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2512103154240 is an abundant number, since it is smaller than the sum of its proper divisors (5658359305920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2512103154240 is a wasteful number, since it uses less digits than its factorization.
2512103154240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63823820 (or 63823810 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 2512103154240 its reverse (424513012152), we get a palindrome (2936616166392).
The spelling of 2512103154240 in words is "two trillion, five hundred twelve billion, one hundred three million, one hundred fifty-four thousand, two hundred forty".
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