Base | Representation |
---|---|
bin | 11100011010001111… |
… | …011111111000101110 |
3 | 2220201221121200000011 |
4 | 130122033133320232 |
5 | 444433242311304 |
6 | 22002552523434 |
7 | 2126641400626 |
oct | 343217377056 |
9 | 86657550004 |
10 | 30505041454 |
11 | 11a34334168 |
12 | 5ab40b057a |
13 | 2b51bc3ab4 |
14 | 1695553886 |
15 | bd813ac04 |
hex | 71a3dfe2e |
30505041454 has 16 divisors (see below), whose sum is σ = 46107169920. Its totient is φ = 15136333240.
The previous prime is 30505041433. The next prime is 30505041461. The reversal of 30505041454 is 45414050503.
It is a happy number.
It is a super-2 number, since 2×305050414542 (a number of 22 digits) contains 22 as substring.
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, 89007 + ... + 262549.
It is an arithmetic number, because the mean of its divisors is an integer number (2881698120).
Almost surely, 230505041454 is an apocalyptic number.
30505041454 is a deficient number, since it is larger than the sum of its proper divisors (15602128466).
30505041454 is a wasteful number, since it uses less digits than its factorization.
30505041454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174215.
The product of its (nonzero) digits is 24000, while the sum is 31.
Adding to 30505041454 its reverse (45414050503), we get a palindrome (75919091957).
The spelling of 30505041454 in words is "thirty billion, five hundred five million, forty-one thousand, four hundred fifty-four".
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