Base | Representation |
---|---|
bin | 10010110100101000… |
… | …010000111111001001 |
3 | 1221011111021210201100 |
4 | 102310220100333021 |
5 | 312342320322101 |
6 | 13141241212013 |
7 | 1313554625442 |
oct | 226450207711 |
9 | 57144253640 |
10 | 20210323401 |
11 | 8631223114 |
12 | 3b00491009 |
13 | 1ba1137a58 |
14 | d9a1d42c9 |
15 | 7d4463e86 |
hex | 4b4a10fc9 |
20210323401 has 12 divisors (see below), whose sum is σ = 30909906612. Its totient is φ = 12680987136.
The previous prime is 20210323373. The next prime is 20210323411. The reversal of 20210323401 is 10432301202.
20210323401 is a `hidden beast` number, since 20 + 210 + 32 + 3 + 401 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5531789376 + 14678534025 = 74376^2 + 121155^2 .
It is not a de Polignac number, because 20210323401 - 29 = 20210322889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20210323411) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66046656 + ... + 66046961.
It is an arithmetic number, because the mean of its divisors is an integer number (2575825551).
Almost surely, 220210323401 is an apocalyptic number.
It is an amenable number.
20210323401 is a deficient number, since it is larger than the sum of its proper divisors (10699583211).
20210323401 is a wasteful number, since it uses less digits than its factorization.
20210323401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132093640 (or 132093637 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20210323401 its reverse (10432301202), we get a palindrome (30642624603).
The spelling of 20210323401 in words is "twenty billion, two hundred ten million, three hundred twenty-three thousand, four hundred one".
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