Base | Representation |
---|---|
bin | 11101111001011100111… |
… | …111001010111110101010 |
3 | 21021102011102122002221110 |
4 | 131321130333022332222 |
5 | 232130211413301102 |
6 | 4211503235451150 |
7 | 301302526343334 |
oct | 35713477127652 |
9 | 7242142562843 |
10 | 2054554431402 |
11 | 722371461630 |
12 | 29222a156ab6 |
13 | 11b988a58005 |
14 | 71626018454 |
15 | 3869c61386c |
hex | 1de5cfcafaa |
2054554431402 has 256 divisors, whose sum is σ = 4980565370880. Its totient is φ = 558080409600.
The previous prime is 2054554431389. The next prime is 2054554431463. The reversal of 2054554431402 is 2041344554502.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 480820338 + ... + 480824610.
It is an arithmetic number, because the mean of its divisors is an integer number (19455333480).
Almost surely, 22054554431402 is an apocalyptic number.
2054554431402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2054554431402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490282685440).
2054554431402 is an abundant number, since it is smaller than the sum of its proper divisors (2926010939478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2054554431402 is a wasteful number, since it uses less digits than its factorization.
2054554431402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4629.
The product of its (nonzero) digits is 384000, while the sum is 39.
Adding to 2054554431402 its reverse (2041344554502), we get a palindrome (4095898985904).
The spelling of 2054554431402 in words is "two trillion, fifty-four billion, five hundred fifty-four million, four hundred thirty-one thousand, four hundred two".
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