Base | Representation |
---|---|
bin | 1011010010000101111010… |
… | …0100011010010100101010 |
3 | 1121220221122021211121020121 |
4 | 2310201132210122110222 |
5 | 3111222331222413104 |
6 | 42214552552513454 |
7 | 2420156445321463 |
oct | 264413644322452 |
9 | 47827567747217 |
10 | 12405452154154 |
11 | 3a53139371324 |
12 | 14843149ab88a |
13 | 6bcaa175bb37 |
14 | 30c5d9d01d6a |
15 | 167a632d7254 |
hex | b485e91a52a |
12405452154154 has 16 divisors (see below), whose sum is σ = 18847486465920. Its totient is φ = 6122988012960.
The previous prime is 12405452154143. The next prime is 12405452154163. The reversal of 12405452154154 is 45145125450421.
It is a self number, because there is not a number n which added to its sum of digits gives 12405452154154.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7042579 + ... + 8626054.
It is an arithmetic number, because the mean of its divisors is an integer number (1177967904120).
Almost surely, 212405452154154 is an apocalyptic number.
12405452154154 is a deficient number, since it is larger than the sum of its proper divisors (6442034311766).
12405452154154 is a wasteful number, since it uses less digits than its factorization.
12405452154154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15673725.
The product of its (nonzero) digits is 640000, while the sum is 43.
The spelling of 12405452154154 in words is "twelve trillion, four hundred five billion, four hundred fifty-two million, one hundred fifty-four thousand, one hundred fifty-four".
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