Base | Representation |
---|---|
bin | 101111100000001010… |
… | …1100011010100101011 |
3 | 100202022022220222100021 |
4 | 1133000111203110223 |
5 | 3132404321413422 |
6 | 114510244221311 |
7 | 10240634144554 |
oct | 1370025432453 |
9 | 322268828307 |
10 | 102011122987 |
11 | 3a29868a614 |
12 | 1792b39a837 |
13 | 980937c847 |
14 | 4d1a1b332b |
15 | 29c0a97dc7 |
hex | 17c056352b |
102011122987 has 8 divisors (see below), whose sum is σ = 107422774160. Its totient is φ = 96603736320.
The previous prime is 102011122963. The next prime is 102011123009. The reversal of 102011122987 is 789221110201.
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 102011122987 - 227 = 101876905259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102011122937) 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, 1016958 + ... + 1112755.
It is an arithmetic number, because the mean of its divisors is an integer number (13427846770).
Almost surely, 2102011122987 is an apocalyptic number.
102011122987 is a deficient number, since it is larger than the sum of its proper divisors (5411651173).
102011122987 is a wasteful number, since it uses less digits than its factorization.
102011122987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2132253.
The product of its (nonzero) digits is 4032, while the sum is 34.
The spelling of 102011122987 in words is "one hundred two billion, eleven million, one hundred twenty-two thousand, nine hundred eighty-seven".
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