Base | Representation |
---|---|
bin | 1010010001011100… |
… | …10000111011101111 |
3 | 112020100112210222001 |
4 | 11020232100323233 |
5 | 42243323223311 |
6 | 2311130433131 |
7 | 253445123026 |
oct | 51056207357 |
9 | 15210483861 |
10 | 5515054831 |
11 | 2380117360 |
12 | 109ab927a7 |
13 | 69b785270 |
14 | 3a46558bd |
15 | 2242954c1 |
hex | 148b90eef |
5515054831 has 16 divisors (see below), whose sum is σ = 6484883328. Its totient is φ = 4623976800.
The previous prime is 5515054829. The next prime is 5515054841. The reversal of 5515054831 is 1384505155.
5515054831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 5515054831 - 21 = 5515054829 is a prime.
It is a super-3 number, since 3×55150548313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5515054801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153496 + ... + 185986.
It is an arithmetic number, because the mean of its divisors is an integer number (405305208).
Almost surely, 25515054831 is an apocalyptic number.
5515054831 is a deficient number, since it is larger than the sum of its proper divisors (969828497).
5515054831 is a wasteful number, since it uses less digits than its factorization.
5515054831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33702.
The product of its (nonzero) digits is 60000, while the sum is 37.
The square root of 5515054831 is about 74263.4151584749. The cubic root of 5515054831 is about 1766.7832700104.
Adding to 5515054831 its reverse (1384505155), we get a palindrome (6899559986).
The spelling of 5515054831 in words is "five billion, five hundred fifteen million, fifty-four thousand, eight hundred thirty-one".
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