Base | Representation |
---|---|
bin | 1111010011000001… |
… | …01110000101000010 |
3 | 210012100112010121121 |
4 | 13221200232011002 |
5 | 113304413322340 |
6 | 3434533142454 |
7 | 410342153050 |
oct | 75140560502 |
9 | 23170463547 |
10 | 8212635970 |
11 | 3534900a60 |
12 | 171248aa2a |
13 | a0b602a16 |
14 | 57ca191d0 |
15 | 330eed94a |
hex | 1e982e142 |
8212635970 has 32 divisors (see below), whose sum is σ = 18430436736. Its totient is φ = 2559782400.
The previous prime is 8212635953. The next prime is 8212635979. The reversal of 8212635970 is 795362128.
It is not an unprimeable number, because it can be changed into a prime (8212635979) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5332111 + ... + 5333650.
It is an arithmetic number, because the mean of its divisors is an integer number (575951148).
Almost surely, 28212635970 is an apocalyptic number.
8212635970 is an abundant number, since it is smaller than the sum of its proper divisors (10217800766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8212635970 is a wasteful number, since it uses less digits than its factorization.
8212635970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10665786.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 8212635970 is about 90623.5949960053. The cubic root of 8212635970 is about 2017.5649488470.
The spelling of 8212635970 in words is "eight billion, two hundred twelve million, six hundred thirty-five thousand, nine hundred seventy".
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