Base | Representation |
---|---|
bin | 1101110100101100… |
… | …01000001001101001 |
3 | 201011012112121221000 |
4 | 12322112020021221 |
5 | 110144330030100 |
6 | 3224224505213 |
7 | 351623156454 |
oct | 67226101151 |
9 | 21135477830 |
10 | 7421330025 |
11 | 31691690aa |
12 | 153147b209 |
13 | 9136a5155 |
14 | 5058b449b |
15 | 2d67e2900 |
hex | 1ba588269 |
7421330025 has 96 divisors (see below), whose sum is σ = 14640134400. Its totient is φ = 3672345600.
The previous prime is 7421330003. The next prime is 7421330027. The reversal of 7421330025 is 5200331247.
It is not a de Polignac number, because 7421330025 - 26 = 7421329961 is a prime.
It is a super-2 number, since 2×74213300252 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (7421330027) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 810171 + ... + 819279.
It is an arithmetic number, because the mean of its divisors is an integer number (152501400).
Almost surely, 27421330025 is an apocalyptic number.
7421330025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7421330025 is a deficient number, since it is larger than the sum of its proper divisors (7218804375).
7421330025 is a wasteful number, since it uses less digits than its factorization.
7421330025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9216 (or 9205 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 7421330025 is about 86147.1417111444. The cubic root of 7421330025 is about 1950.5656938648.
The spelling of 7421330025 in words is "seven billion, four hundred twenty-one million, three hundred thirty thousand, twenty-five".
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