Base | Representation |
---|---|
bin | 10011111010111010100010… |
… | …100110111001110100011101 |
3 | 102111012120112001101210111110 |
4 | 103322322202212321310131 |
5 | 42440411243034323401 |
6 | 510200053144012233 |
7 | 24311501632200612 |
oct | 2372724246716435 |
9 | 374176461353443 |
10 | 87611471011101 |
11 | 25a088a83a5444 |
12 | 99ab834461079 |
13 | 39b69597b7a7b |
14 | 178c5bc70c509 |
15 | a1de970839d6 |
hex | 4faea29b9d1d |
87611471011101 has 24 divisors (see below), whose sum is σ = 122120473367200. Its totient is φ = 55865700180576.
The previous prime is 87611471011021. The next prime is 87611471011109. The reversal of 87611471011101 is 10111017411678.
It is not a de Polignac number, because 87611471011101 - 229 = 87610934140189 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87611471011101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87611471011109) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34807275 + ... + 37239351.
Almost surely, 287611471011101 is an apocalyptic number.
It is an amenable number.
87611471011101 is a deficient number, since it is larger than the sum of its proper divisors (34509002356099).
87611471011101 is a wasteful number, since it uses less digits than its factorization.
87611471011101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2454825 (or 2454802 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 39.
Adding to 87611471011101 its reverse (10111017411678), we get a palindrome (97722488422779).
The spelling of 87611471011101 in words is "eighty-seven trillion, six hundred eleven billion, four hundred seventy-one million, eleven thousand, one hundred one".
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