Base | Representation |
---|---|
bin | 10011110100110000010… |
… | …11100101010101010101 |
3 | 2102010012001221221020001 |
4 | 21322120023211111111 |
5 | 42130002422143401 |
6 | 1240530352011301 |
7 | 100132505343466 |
oct | 11723013452525 |
9 | 2363161857201 |
10 | 681158006101 |
11 | 242971a33811 |
12 | b001a530b31 |
13 | 4c304972521 |
14 | 24d7ab3ad6d |
15 | 12ab9d2e601 |
hex | 9e982e5555 |
681158006101 has 8 divisors (see below), whose sum is σ = 682984600704. Its totient is φ = 679333287120.
The previous prime is 681158006093. The next prime is 681158006129. The reversal of 681158006101 is 101600851186.
681158006101 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 681158006101 - 23 = 681158006093 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 (681158006131) 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, 259911 + ... + 1195771.
It is an arithmetic number, because the mean of its divisors is an integer number (85373075088).
Almost surely, 2681158006101 is an apocalyptic number.
It is an amenable number.
681158006101 is a deficient number, since it is larger than the sum of its proper divisors (1826594603).
681158006101 is a wasteful number, since it uses less digits than its factorization.
681158006101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 937811.
The product of its (nonzero) digits is 11520, while the sum is 37.
Adding to 681158006101 its reverse (101600851186), we get a palindrome (782758857287).
The spelling of 681158006101 in words is "six hundred eighty-one billion, one hundred fifty-eight million, six thousand, one hundred one".
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