Base | Representation |
---|---|
bin | 10011111000000110100100… |
… | …000011000000100000001001 |
3 | 102110112002201011120221122222 |
4 | 103320012210003000200021 |
5 | 42424230004214034101 |
6 | 505531213203023425 |
7 | 24261521011425650 |
oct | 2370064403004011 |
9 | 373462634527588 |
10 | 87418221627401 |
11 | 25943950136185 |
12 | 997a2a166ab75 |
13 | 39a166cc16812 |
14 | 17830c8dcc197 |
15 | a18e365b701b |
hex | 4f81a40c0809 |
87418221627401 has 8 divisors (see below), whose sum is σ = 99906744478464. Its totient is φ = 74929750145280.
The previous prime is 87418221627377. The next prime is 87418221627403. The reversal of 87418221627401 is 10472612281478.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87418221627401 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87418221627403) 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, 9123800 + ... + 16064873.
It is an arithmetic number, because the mean of its divisors is an integer number (12488343059808).
Almost surely, 287418221627401 is an apocalyptic number.
It is an amenable number.
87418221627401 is a deficient number, since it is larger than the sum of its proper divisors (12488522851063).
87418221627401 is a wasteful number, since it uses less digits than its factorization.
87418221627401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25684471.
The product of its (nonzero) digits is 2408448, while the sum is 53.
The spelling of 87418221627401 in words is "eighty-seven trillion, four hundred eighteen billion, two hundred twenty-one million, six hundred twenty-seven thousand, four hundred one".
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