Base | Representation |
---|---|
bin | 10101100010001111… |
… | …010000001111000001 |
3 | 2012200111000020000210 |
4 | 111202033100033001 |
5 | 334323442033210 |
6 | 14342250104333 |
7 | 1446003163614 |
oct | 254217201701 |
9 | 65614006023 |
10 | 23123002305 |
11 | 9896371967 |
12 | 4593a1b0a9 |
13 | 22466c77b0 |
14 | 1194d8a17b |
15 | 905009e20 |
hex | 5623d03c1 |
23123002305 has 32 divisors (see below), whose sum is σ = 39854263680. Its totient is φ = 11380331520.
The previous prime is 23123002291. The next prime is 23123002313. The reversal of 23123002305 is 50320032132.
It is not a de Polignac number, because 23123002305 - 24 = 23123002289 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743110 + ... + 773600.
It is an arithmetic number, because the mean of its divisors is an integer number (1245445740).
Almost surely, 223123002305 is an apocalyptic number.
It is an amenable number.
23123002305 is a deficient number, since it is larger than the sum of its proper divisors (16731261375).
23123002305 is a wasteful number, since it uses less digits than its factorization.
23123002305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34401.
The product of its (nonzero) digits is 1080, while the sum is 21.
Adding to 23123002305 its reverse (50320032132), we get a palindrome (73443034437).
The spelling of 23123002305 in words is "twenty-three billion, one hundred twenty-three million, two thousand, three hundred five".
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