Base | Representation |
---|---|
bin | 10101011101101110… |
… | …100011011101000001 |
3 | 2012111012121020100122 |
4 | 111131232203131001 |
5 | 334200103241114 |
6 | 14330544030025 |
7 | 1444063666610 |
oct | 253556433501 |
9 | 65435536318 |
10 | 23047321409 |
11 | 9857680772 |
12 | 4572602315 |
13 | 2233b1a2b8 |
14 | 1188cc9877 |
15 | 8ed55ae8e |
hex | 55dba3741 |
23047321409 has 16 divisors (see below), whose sum is σ = 27261467520. Its totient is φ = 19064263680.
The previous prime is 23047321361. The next prime is 23047321433. The reversal of 23047321409 is 90412374032.
It is not a de Polignac number, because 23047321409 - 232 = 18752354113 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23047311409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402074 + ... + 455804.
It is an arithmetic number, because the mean of its divisors is an integer number (1703841720).
Almost surely, 223047321409 is an apocalyptic number.
23047321409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
23047321409 is a deficient number, since it is larger than the sum of its proper divisors (4214146111).
23047321409 is a wasteful number, since it uses less digits than its factorization.
23047321409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55880.
The product of its (nonzero) digits is 36288, while the sum is 35.
The spelling of 23047321409 in words is "twenty-three billion, forty-seven million, three hundred twenty-one thousand, four hundred nine".
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