Base | Representation |
---|---|
bin | 11100011010110000… |
… | …101110000000011011 |
3 | 2220202120000002221111 |
4 | 130122300232000123 |
5 | 444443010000133 |
6 | 22003503321151 |
7 | 2130105411250 |
oct | 343260560033 |
9 | 86676002844 |
10 | 30513750043 |
11 | 11a39242047 |
12 | 5ab6bb01b7 |
13 | 2b539528ca |
14 | 169677d427 |
15 | bd8cab1cd |
hex | 71ac2e01b |
30513750043 has 8 divisors (see below), whose sum is σ = 34878055680. Its totient is φ = 26150744040.
The previous prime is 30513750023. The next prime is 30513750061. The reversal of 30513750043 is 34005731503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30513750043 - 213 = 30513741851 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30513749987 and 30513750014.
It is not an unprimeable number, because it can be changed into a prime (30513750023) 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, 274063 + ... + 368968.
It is an arithmetic number, because the mean of its divisors is an integer number (4359756960).
Almost surely, 230513750043 is an apocalyptic number.
30513750043 is a deficient number, since it is larger than the sum of its proper divisors (4364305637).
30513750043 is an equidigital number, since it uses as much as digits as its factorization.
30513750043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649817.
The product of its (nonzero) digits is 18900, while the sum is 31.
The spelling of 30513750043 in words is "thirty billion, five hundred thirteen million, seven hundred fifty thousand, forty-three".
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