Base | Representation |
---|---|
bin | 111001101111000001… |
… | …101010101010010001 |
3 | 12221000100100120222022 |
4 | 321233001222222101 |
5 | 2003430004000001 |
6 | 44251233021225 |
7 | 4323140300513 |
oct | 715701525221 |
9 | 187010316868 |
10 | 61992250001 |
11 | 24322010a70 |
12 | 100210b4815 |
13 | 5acc41cb46 |
14 | 30012d1bb3 |
15 | 192c5d411b |
hex | e6f06aa91 |
61992250001 has 8 divisors (see below), whose sum is σ = 68005720800. Its totient is φ = 56041747840.
The previous prime is 61992249989. The next prime is 61992250007. The reversal of 61992250001 is 10005229916.
61992250001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61992250001 - 26 = 61992249937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61992250007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15740096 + ... + 15744033.
It is an arithmetic number, because the mean of its divisors is an integer number (8500715100).
Almost surely, 261992250001 is an apocalyptic number.
It is an amenable number.
61992250001 is a deficient number, since it is larger than the sum of its proper divisors (6013470799).
61992250001 is a wasteful number, since it uses less digits than its factorization.
61992250001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31484319.
The product of its (nonzero) digits is 9720, while the sum is 35.
Adding to 61992250001 its reverse (10005229916), we get a palindrome (71997479917).
The spelling of 61992250001 in words is "sixty-one billion, nine hundred ninety-two million, two hundred fifty thousand, one".
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