Base | Representation |
---|---|
bin | 1110110100010100… |
… | …11110001000100000 |
3 | 202112102000020202012 |
4 | 13122022132020200 |
5 | 112243004121443 |
6 | 3353214212052 |
7 | 401064422201 |
oct | 73212361040 |
9 | 22472006665 |
10 | 7955145248 |
11 | 3412521406 |
12 | 16601b4028 |
13 | 99a16994b |
14 | 55674d5a8 |
15 | 3185da118 |
hex | 1da29e220 |
7955145248 has 18 divisors (see below), whose sum is σ = 15662685591. Its totient is φ = 3977320352.
The previous prime is 7955145241. The next prime is 7955145271. The reversal of 7955145248 is 8425415597.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 3977572624 + 3977572624 = 63068^2 + 63068^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=63068.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7955145196 and 7955145205.
It is not an unprimeable number, because it can be changed into a prime (7955145241) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 496661 + ... + 512427.
Almost surely, 27955145248 is an apocalyptic number.
It is an amenable number.
7955145248 is a deficient number, since it is larger than the sum of its proper divisors (7707540343).
7955145248 is an frugal number, since it uses more digits than its factorization.
7955145248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31544 (or 15769 counting only the distinct ones).
The product of its digits is 2016000, while the sum is 50.
The square root of 7955145248 is about 89191.6209517464. The cubic root of 7955145248 is about 1996.2550962245.
Multiplying 7955145248 by its sum of digits (50), we get a square (397757262400 = 6306802).
The spelling of 7955145248 in words is "seven billion, nine hundred fifty-five million, one hundred forty-five thousand, two hundred forty-eight".
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