Base | Representation |
---|---|
bin | 1101101001010001011011… |
… | …01000100101011000100000 |
3 | 10221020111012102012002212120 |
4 | 12310220231220211120200 |
5 | 12413102033212042311 |
6 | 143452143241024240 |
7 | 6214550650346643 |
oct | 664505550453040 |
9 | 127214172162776 |
10 | 30005407143456 |
11 | 9619249102a58 |
12 | 34472ba185080 |
13 | 1398661740a14 |
14 | 75a3ab551a5a |
15 | 370799855706 |
hex | 1b4a2da25620 |
30005407143456 has 24 divisors (see below), whose sum is σ = 78764193751824. Its totient is φ = 10001802381120.
The previous prime is 30005407143443. The next prime is 30005407143457. The reversal of 30005407143456 is 65434170450003.
It is a tau number, because it is divible by the number of its divisors (24).
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (30005407143457) 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 3 ways as a sum of consecutive naturals, for example, 156278162110 + ... + 156278162301.
It is an arithmetic number, because the mean of its divisors is an integer number (3281841406326).
Almost surely, 230005407143456 is an apocalyptic number.
It is an amenable number.
30005407143456 is an abundant number, since it is smaller than the sum of its proper divisors (48758786608368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30005407143456 is a wasteful number, since it uses less digits than its factorization.
30005407143456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312556324424 (or 312556324416 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 42.
Adding to 30005407143456 its reverse (65434170450003), we get a palindrome (95439577593459).
The spelling of 30005407143456 in words is "thirty trillion, five billion, four hundred seven million, one hundred forty-three thousand, four hundred fifty-six".
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