Base | Representation |
---|---|
bin | 1101111100011001… |
… | …10000010101000010 |
3 | 201022201012021210021 |
4 | 12332030300111002 |
5 | 110312402411033 |
6 | 3234454324054 |
7 | 353336540314 |
oct | 67614602502 |
9 | 21281167707 |
10 | 7485982018 |
11 | 31a17070a9 |
12 | 154b05962a |
13 | 923bc0678 |
14 | 5103037b4 |
15 | 2dc313b2d |
hex | 1be330542 |
7485982018 has 8 divisors (see below), whose sum is σ = 11229544512. Its totient is φ = 3742800516.
The previous prime is 7485982003. The next prime is 7485982033. The reversal of 7485982018 is 8102895847.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (7485982003) and next prime (7485982033).
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39630 + ... + 128617.
It is an arithmetic number, because the mean of its divisors is an integer number (1403693064).
Almost surely, 27485982018 is an apocalyptic number.
7485982018 is a deficient number, since it is larger than the sum of its proper divisors (3743562494).
7485982018 is a wasteful number, since it uses less digits than its factorization.
7485982018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190496.
The product of its (nonzero) digits is 1290240, while the sum is 52.
The square root of 7485982018 is about 86521.5696690715. The cubic root of 7485982018 is about 1956.2135368026.
It can be divided in two parts, 7 and 485982018, that added together give a square (485982025 = 220452).
The spelling of 7485982018 in words is "seven billion, four hundred eighty-five million, nine hundred eighty-two thousand, eighteen".
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