Base | Representation |
---|---|
bin | 101111010100011110… |
… | …1101110010001000111 |
3 | 100201022000002002021011 |
4 | 1132220331232101013 |
5 | 3131103431003031 |
6 | 114403315503051 |
7 | 10225133152156 |
oct | 1365075562107 |
9 | 321260062234 |
10 | 101619000391 |
11 | 3a107305057 |
12 | 1783bbb7a87 |
13 | 977606893c |
14 | 4cc009d59d |
15 | 299b43d6b1 |
hex | 17a8f6e447 |
101619000391 has 8 divisors (see below), whose sum is σ = 101773221264. Its totient is φ = 101464864320.
The previous prime is 101619000383. The next prime is 101619000397. The reversal of 101619000391 is 193000916101.
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 101619000391 - 23 = 101619000383 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 (101619000397) 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, 2622901 + ... + 2661361.
It is an arithmetic number, because the mean of its divisors is an integer number (12721652658).
Almost surely, 2101619000391 is an apocalyptic number.
101619000391 is the 201613-rd centered pentagonal number.
101619000391 is a deficient number, since it is larger than the sum of its proper divisors (154220873).
101619000391 is an equidigital number, since it uses as much as digits as its factorization.
101619000391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42401.
The product of its (nonzero) digits is 1458, while the sum is 31.
Adding to 101619000391 its reverse (193000916101), we get a palindrome (294619916492).
The spelling of 101619000391 in words is "one hundred one billion, six hundred nineteen million, three hundred ninety-one", and thus it is an aban number.
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