Base | Representation |
---|---|
bin | 10101110100000010… |
… | …011011010000100000 |
3 | 2020110021221001111020 |
4 | 111310002123100200 |
5 | 340431414120342 |
6 | 14432034445440 |
7 | 1456260365013 |
oct | 256402332040 |
9 | 66407831436 |
10 | 23421629472 |
11 | 9a2999897a |
12 | 4657a33880 |
13 | 2293534767 |
14 | 11c28c337a |
15 | 9213470ec |
hex | 57409b420 |
23421629472 has 48 divisors (see below), whose sum is σ = 61489707552. Its totient is φ = 7806202880.
The previous prime is 23421629437. The next prime is 23421629501. The reversal of 23421629472 is 27492612432.
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319923 + ... + 1337549.
It is an arithmetic number, because the mean of its divisors is an integer number (1281035574).
Almost surely, 223421629472 is an apocalyptic number.
It is an amenable number.
23421629472 is an abundant number, since it is smaller than the sum of its proper divisors (38068078080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23421629472 is a wasteful number, since it uses less digits than its factorization.
23421629472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31481 (or 31473 counting only the distinct ones).
The product of its digits is 290304, while the sum is 42.
The spelling of 23421629472 in words is "twenty-three billion, four hundred twenty-one million, six hundred twenty-nine thousand, four hundred seventy-two".
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