Base | Representation |
---|---|
bin | 10110000111101110110… |
… | …100101101111010010000 |
3 | 12101022201111020220201110 |
4 | 112013232310231322100 |
5 | 144401211321034212 |
6 | 3122201014533320 |
7 | 214553146644111 |
oct | 26075664557220 |
9 | 5338644226643 |
10 | 1520130252432 |
11 | 536757996a50 |
12 | 206740667240 |
13 | b0469a9788c |
14 | 53808d7a208 |
15 | 2981e793a3c |
hex | 161eed2de90 |
1520130252432 has 80 divisors (see below), whose sum is σ = 4291228611648. Its totient is φ = 459868631040.
The previous prime is 1520130252427. The next prime is 1520130252463. The reversal of 1520130252432 is 2342520310251.
It is a self number, because there is not a number n which added to its sum of digits gives 1520130252432.
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, 2114413 + ... + 2740620.
Almost surely, 21520130252432 is an apocalyptic number.
1520130252432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1520130252432 is an abundant number, since it is smaller than the sum of its proper divisors (2771098359216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1520130252432 is a wasteful number, since it uses less digits than its factorization.
1520130252432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4855648 (or 4855642 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 1520130252432 its reverse (2342520310251), we get a palindrome (3862650562683).
The spelling of 1520130252432 in words is "one trillion, five hundred twenty billion, one hundred thirty million, two hundred fifty-two thousand, four hundred thirty-two".
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