Base | Representation |
---|---|
bin | 1011010100010001000100… |
… | …1110001111000110000001 |
3 | 1122001112001202201012122011 |
4 | 2311010101032033012001 |
5 | 3112330333123413100 |
6 | 42244051520012521 |
7 | 2422651261063540 |
oct | 265042116170601 |
9 | 48045052635564 |
10 | 12442809201025 |
11 | 3a67a69457585 |
12 | 148b5bb761141 |
13 | 6c34760ac6b8 |
14 | 31034148a157 |
15 | 1689ecc56bba |
hex | b511138f181 |
12442809201025 has 48 divisors (see below), whose sum is σ = 18097080891264. Its totient is φ = 8310122196480.
The previous prime is 12442809201013. The next prime is 12442809201037. The reversal of 12442809201025 is 52010290824421.
It is an interprime number because it is at equal distance from previous prime (12442809201013) and next prime (12442809201037).
It is not a de Polignac number, because 12442809201025 - 223 = 12442800812417 is a prime.
It is a super-2 number, since 2×124428092010252 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3625467 + ... + 6166816.
It is an arithmetic number, because the mean of its divisors is an integer number (377022518568).
Almost surely, 212442809201025 is an apocalyptic number.
It is an amenable number.
12442809201025 is a deficient number, since it is larger than the sum of its proper divisors (5654271690239).
12442809201025 is a wasteful number, since it uses less digits than its factorization.
12442809201025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9792490 (or 9792485 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The spelling of 12442809201025 in words is "twelve trillion, four hundred forty-two billion, eight hundred nine million, two hundred one thousand, twenty-five".
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