Base | Representation |
---|---|
bin | 11100010101111001… |
… | …011010011011000011 |
3 | 2220112212110001012000 |
4 | 130111321122123003 |
5 | 444311112034133 |
6 | 21551430235043 |
7 | 2125064643051 |
oct | 342571323303 |
9 | 86485401160 |
10 | 30432143043 |
11 | 119a7173545 |
12 | 5a937b5a83 |
13 | 2b3ca7bc43 |
14 | 16899b91d1 |
15 | bd1a3b413 |
hex | 715e5a6c3 |
30432143043 has 32 divisors (see below), whose sum is σ = 45769536000. Its totient is φ = 19980525600.
The previous prime is 30432143033. The next prime is 30432143081. The reversal of 30432143043 is 34034123403.
30432143043 is a `hidden beast` number, since 30 + 4 + 321 + 4 + 304 + 3 = 666.
It is not a de Polignac number, because 30432143043 - 25 = 30432143011 is a prime.
It is a super-2 number, since 2×304321430432 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 30432142998 and 30432143016.
It is not an unprimeable number, because it can be changed into a prime (30432143033) 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 31 ways as a sum of consecutive naturals, for example, 1853233 + ... + 1869581.
It is an arithmetic number, because the mean of its divisors is an integer number (1430298000).
Almost surely, 230432143043 is an apocalyptic number.
30432143043 is a deficient number, since it is larger than the sum of its proper divisors (15337392957).
30432143043 is a wasteful number, since it uses less digits than its factorization.
30432143043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17400 (or 17394 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30432143043 its reverse (34034123403), we get a palindrome (64466266446).
The spelling of 30432143043 in words is "thirty billion, four hundred thirty-two million, one hundred forty-three thousand, forty-three".
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