Base | Representation |
---|---|
bin | 110010010010101110… |
… | …010001100000011101 |
3 | 12011101102210202211110 |
4 | 302102232101200131 |
5 | 1341043302231141 |
6 | 40450253212233 |
7 | 3621125503113 |
oct | 622256214035 |
9 | 164342722743 |
10 | 54001211421 |
11 | 209a1304453 |
12 | a570a91079 |
13 | 51279c6951 |
14 | 2883cbbab3 |
15 | 1610ca8e16 |
hex | c92b9181d |
54001211421 has 16 divisors (see below), whose sum is σ = 73193440320. Its totient is φ = 35405080320.
The previous prime is 54001211401. The next prime is 54001211423. The reversal of 54001211421 is 12411210045.
It is not a de Polignac number, because 54001211421 - 25 = 54001211389 is a prime.
It is a super-2 number, since 2×540012114212 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54001211423) 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, 1379365 + ... + 1417973.
It is an arithmetic number, because the mean of its divisors is an integer number (4574590020).
Almost surely, 254001211421 is an apocalyptic number.
It is an amenable number.
54001211421 is a deficient number, since it is larger than the sum of its proper divisors (19192228899).
54001211421 is a wasteful number, since it uses less digits than its factorization.
54001211421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46316.
The product of its (nonzero) digits is 320, while the sum is 21.
Adding to 54001211421 its reverse (12411210045), we get a palindrome (66412421466).
The spelling of 54001211421 in words is "fifty-four billion, one million, two hundred eleven thousand, four hundred twenty-one".
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