Base | Representation |
---|---|
bin | 101010000011011110… |
… | …011000110010101011 |
3 | 11022112221221202000210 |
4 | 222003132120302223 |
5 | 1214434244012443 |
6 | 32424422032203 |
7 | 3155665012203 |
oct | 520336306253 |
9 | 138487852023 |
10 | 45155454123 |
11 | 1817209302a |
12 | 8902578663 |
13 | 434819c730 |
14 | 2285177403 |
15 | 12943e8c33 |
hex | a83798cab |
45155454123 has 16 divisors (see below), whose sum is σ = 66590997536. Its totient is φ = 27036944640.
The previous prime is 45155454103. The next prime is 45155454173. The reversal of 45155454123 is 32145455154.
45155454123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 45155454123 - 26 = 45155454059 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45155454103) 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, 15644938 + ... + 15647823.
It is an arithmetic number, because the mean of its divisors is an integer number (4161937346).
Almost surely, 245155454123 is an apocalyptic number.
45155454123 is a deficient number, since it is larger than the sum of its proper divisors (21435543413).
45155454123 is a wasteful number, since it uses less digits than its factorization.
45155454123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31292814.
The product of its digits is 240000, while the sum is 39.
The spelling of 45155454123 in words is "forty-five billion, one hundred fifty-five million, four hundred fifty-four thousand, one hundred twenty-three".
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