Base | Representation |
---|---|
bin | 1101011101111001… |
… | …10100000111110000 |
3 | 200122212210102101110 |
4 | 12232330310013300 |
5 | 104301404120013 |
6 | 3153235033320 |
7 | 344112134652 |
oct | 65674640760 |
9 | 20585712343 |
10 | 7230145008 |
11 | 3080256a59 |
12 | 149943b840 |
13 | 8b2bb6218 |
14 | 4c83486d2 |
15 | 2c4b2a2c3 |
hex | 1aef341f0 |
7230145008 has 20 divisors (see below), whose sum is σ = 18677874728. Its totient is φ = 2410048320.
The previous prime is 7230145007. The next prime is 7230145019. The reversal of 7230145008 is 8005410327.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7230145007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75313963 + ... + 75314058.
Almost surely, 27230145008 is an apocalyptic number.
It is an amenable number.
7230145008 is an abundant number, since it is smaller than the sum of its proper divisors (11447729720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7230145008 is a wasteful number, since it uses less digits than its factorization.
7230145008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150628032 (or 150628026 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 7230145008 is about 85030.2593668866. The cubic root of 7230145008 is about 1933.6698952183.
The spelling of 7230145008 in words is "seven billion, two hundred thirty million, one hundred forty-five thousand, eight".
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