Base | Representation |
---|---|
bin | 10011110111110101101100… |
… | …011100101001000111011000 |
3 | 102110110100221212101210220001 |
4 | 103313311230130221013120 |
5 | 42423430410343012242 |
6 | 505515020013342344 |
7 | 24260310114306115 |
oct | 2367655434510730 |
9 | 373410855353801 |
10 | 87400108954072 |
11 | 259371a5a96672 |
12 | 99768877979b4 |
13 | 399ca44556135 |
14 | 178228b63190c |
15 | a187263a3eb7 |
hex | 4f7d6c7291d8 |
87400108954072 has 16 divisors (see below), whose sum is σ = 164091684094560. Its totient is φ = 43642326528864.
The previous prime is 87400108954021. The next prime is 87400108954099. The reversal of 87400108954072 is 27045980100478.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215987088 + ... + 7215999199.
It is an arithmetic number, because the mean of its divisors is an integer number (10255730255910).
Almost surely, 287400108954072 is an apocalyptic number.
It is an amenable number.
87400108954072 is a deficient number, since it is larger than the sum of its proper divisors (76691575140488).
87400108954072 is a wasteful number, since it uses less digits than its factorization.
87400108954072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14431987050 (or 14431987046 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 55.
The spelling of 87400108954072 in words is "eighty-seven trillion, four hundred billion, one hundred eight million, nine hundred fifty-four thousand, seventy-two".
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