Base | Representation |
---|---|
bin | 1101000100111000… |
… | …10111011010100001 |
3 | 200010020221210220220 |
4 | 12202130113122201 |
5 | 103334144442400 |
6 | 3120341353253 |
7 | 335653445403 |
oct | 64234273241 |
9 | 20106853826 |
10 | 7020312225 |
11 | 2a82868533 |
12 | 143b108829 |
13 | 87b598504 |
14 | 4a8526b73 |
15 | 2b14cc7a0 |
hex | 1a27176a1 |
7020312225 has 48 divisors (see below), whose sum is σ = 12020397312. Its totient is φ = 3612893760.
The previous prime is 7020312217. The next prime is 7020312281. The reversal of 7020312225 is 5222130207.
It is a happy number.
It is not a de Polignac number, because 7020312225 - 23 = 7020312217 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7020312195 and 7020312204.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254562 + ... + 280788.
It is an arithmetic number, because the mean of its divisors is an integer number (250424944).
Almost surely, 27020312225 is an apocalyptic number.
7020312225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7020312225 is a deficient number, since it is larger than the sum of its proper divisors (5000085087).
7020312225 is a wasteful number, since it uses less digits than its factorization.
7020312225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26366 (or 26361 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 7020312225 is about 83787.3034832844. The cubic root of 7020312225 is about 1914.7796763796.
It can be divided in two parts, 70203 and 12225, that added together give a palindrome (82428).
The spelling of 7020312225 in words is "seven billion, twenty million, three hundred twelve thousand, two hundred twenty-five".
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