Base | Representation |
---|---|
bin | 100011000010111011111010… |
… | …100101001010101000111001 |
3 | 202012202000020200121112121101 |
4 | 203002323322211022220321 |
5 | 130200310201002244121 |
6 | 1303451523500211401 |
7 | 44315525230545364 |
oct | 4302737245125071 |
9 | 665660220545541 |
10 | 154133400431161 |
11 | 45125676326248 |
12 | 15354103b39b61 |
13 | 6800942b832c8 |
14 | 2a0c14c6a50db |
15 | 12c456ba3d491 |
hex | 8c2efa94aa39 |
154133400431161 has 4 divisors (see below), whose sum is σ = 162245684664400. Its totient is φ = 146021116197924.
The previous prime is 154133400431159. The next prime is 154133400431167. The reversal of 154133400431161 is 161134004331451.
154133400431161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 154133400431161 - 21 = 154133400431159 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 154133400431161.
It is not an unprimeable number, because it can be changed into a prime (154133400431167) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4056142116591 + ... + 4056142116628.
It is an arithmetic number, because the mean of its divisors is an integer number (40561421166100).
Almost surely, 2154133400431161 is an apocalyptic number.
It is an amenable number.
154133400431161 is a deficient number, since it is larger than the sum of its proper divisors (8112284233239).
154133400431161 is an equidigital number, since it uses as much as digits as its factorization.
154133400431161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8112284233238.
The product of its (nonzero) digits is 51840, while the sum is 37.
The spelling of 154133400431161 in words is "one hundred fifty-four trillion, one hundred thirty-three billion, four hundred million, four hundred thirty-one thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •