Base | Representation |
---|---|
bin | 1101110101010110101110… |
… | …00000001001110101111111 |
3 | 10222201011210111221101211110 |
4 | 12322223113000021311333 |
5 | 12441402304234011111 |
6 | 144411003114053103 |
7 | 6256545654415443 |
oct | 672532700116577 |
9 | 128634714841743 |
10 | 30420565532031 |
11 | 97693201a9014 |
12 | 34b3861a1a193 |
13 | 13c885467324c |
14 | 7725129a8823 |
15 | 37b496ded5a6 |
hex | 1baad7009d7f |
30420565532031 has 8 divisors (see below), whose sum is σ = 40561784523904. Its totient is φ = 20279861780760.
The previous prime is 30420565532029. The next prime is 30420565532101. The reversal of 30420565532031 is 13023556502403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30420565532031 - 21 = 30420565532029 is a prime.
It is a super-2 number, since 2×304205655320312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30420565532131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128672365 + ... + 128908566.
It is an arithmetic number, because the mean of its divisors is an integer number (5070223065488).
Almost surely, 230420565532031 is an apocalyptic number.
30420565532031 is a deficient number, since it is larger than the sum of its proper divisors (10141218991873).
30420565532031 is a wasteful number, since it uses less digits than its factorization.
30420565532031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257620301.
The product of its (nonzero) digits is 324000, while the sum is 39.
The spelling of 30420565532031 in words is "thirty trillion, four hundred twenty billion, five hundred sixty-five million, five hundred thirty-two thousand, thirty-one".
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