Base | Representation |
---|---|
bin | 10111001110110010… |
… | …11000110100011001 |
3 | 1012012012111200111012 |
4 | 23213121120310121 |
5 | 201020331023440 |
6 | 5421332543305 |
7 | 621033220361 |
oct | 134731306431 |
9 | 35165450435 |
10 | 12472126745 |
11 | 5320210471 |
12 | 2500a81b35 |
13 | 1239c0a970 |
14 | 8645d99a1 |
15 | 4cee2ee65 |
hex | 2e7658d19 |
12472126745 has 16 divisors (see below), whose sum is σ = 16216721472. Its totient is φ = 9153673920.
The previous prime is 12472126741. The next prime is 12472126787. The reversal of 12472126745 is 54762127421.
It is not a de Polignac number, because 12472126745 - 22 = 12472126741 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12472126741) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577991 + ... + 599180.
It is an arithmetic number, because the mean of its divisors is an integer number (1013545092).
Almost surely, 212472126745 is an apocalyptic number.
It is an amenable number.
12472126745 is a deficient number, since it is larger than the sum of its proper divisors (3744594727).
12472126745 is a wasteful number, since it uses less digits than its factorization.
12472126745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1177352.
The product of its digits is 188160, while the sum is 41.
The spelling of 12472126745 in words is "twelve billion, four hundred seventy-two million, one hundred twenty-six thousand, seven hundred forty-five".
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