Base | Representation |
---|---|
bin | 11100010110010001… |
… | …010000010011011110 |
3 | 2220120022012120120220 |
4 | 130112101100103132 |
5 | 444314212034204 |
6 | 21552212222210 |
7 | 2125202033466 |
oct | 342621202336 |
9 | 86508176526 |
10 | 30438393054 |
11 | 119aa752243 |
12 | 5a9590a966 |
13 | 2b41159984 |
14 | 168a764ba6 |
15 | bd23731d9 |
hex | 7164504de |
30438393054 has 16 divisors (see below), whose sum is σ = 60915853440. Its totient is φ = 10139619800.
The previous prime is 30438393049. The next prime is 30438393061. The reversal of 30438393054 is 45039383403.
It is a junction number, because it is equal to n+sod(n) for n = 30438392997 and 30438393015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617672 + ... + 1636379.
It is an arithmetic number, because the mean of its divisors is an integer number (3807240840).
Almost surely, 230438393054 is an apocalyptic number.
30438393054 is an abundant number, since it is smaller than the sum of its proper divisors (30477460386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30438393054 is a wasteful number, since it uses less digits than its factorization.
30438393054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3255615.
The product of its (nonzero) digits is 466560, while the sum is 42.
The spelling of 30438393054 in words is "thirty billion, four hundred thirty-eight million, three hundred ninety-three thousand, fifty-four".
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