Base | Representation |
---|---|
bin | 111001011111011100… |
… | …010100111011111101 |
3 | 12220100010101201201211 |
4 | 321133130110323331 |
5 | 2002411041202303 |
6 | 44205253204421 |
7 | 4313514112624 |
oct | 713734247375 |
9 | 186303351654 |
10 | 61730803453 |
11 | 241a847a340 |
12 | bb69630711 |
13 | 5a8a200347 |
14 | 2db86b66bb |
15 | 191468d66d |
hex | e5f714efd |
61730803453 has 8 divisors (see below), whose sum is σ = 67406782176. Its totient is φ = 56065506000.
The previous prime is 61730803439. The next prime is 61730803489. The reversal of 61730803453 is 35430803716.
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 61730803453 - 29 = 61730802941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61130803453) 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, 2658226 + ... + 2681347.
It is an arithmetic number, because the mean of its divisors is an integer number (8425847772).
Almost surely, 261730803453 is an apocalyptic number.
It is an amenable number.
61730803453 is a deficient number, since it is larger than the sum of its proper divisors (5675978723).
61730803453 is a wasteful number, since it uses less digits than its factorization.
61730803453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5340635.
The product of its (nonzero) digits is 181440, while the sum is 40.
The spelling of 61730803453 in words is "sixty-one billion, seven hundred thirty million, eight hundred three thousand, four hundred fifty-three".
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