Base | Representation |
---|---|
bin | 111000110110000011… |
… | …001000000110100110 |
3 | 12211112201121220012210 |
4 | 320312003020012212 |
5 | 2000000300101210 |
6 | 44012324224250 |
7 | 4260352154064 |
oct | 706603100646 |
9 | 184481556183 |
10 | 61036331430 |
11 | 23981466218 |
12 | b9b4b3b086 |
13 | 59a9378159 |
14 | 2d5037b034 |
15 | 18c370de20 |
hex | e360c81a6 |
61036331430 has 32 divisors (see below), whose sum is σ = 146496448224. Its totient is φ = 16275326976.
The previous prime is 61036331401. The next prime is 61036331431. The reversal of 61036331430 is 3413363016.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61036331431) 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, 499782 + ... + 609798.
It is an arithmetic number, because the mean of its divisors is an integer number (4578014007).
Almost surely, 261036331430 is an apocalyptic number.
61036331430 is an abundant number, since it is smaller than the sum of its proper divisors (85460116794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61036331430 is a wasteful number, since it uses less digits than its factorization.
61036331430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128520.
The product of its (nonzero) digits is 11664, while the sum is 30.
Adding to 61036331430 its reverse (3413363016), we get a palindrome (64449694446).
The spelling of 61036331430 in words is "sixty-one billion, thirty-six million, three hundred thirty-one thousand, four hundred thirty".
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