Base | Representation |
---|---|
bin | 101111000101011000… |
… | …0100000110101010001 |
3 | 100122222200111000122102 |
4 | 1132022300200311101 |
5 | 3124034212033014 |
6 | 114241133450145 |
7 | 10206440461232 |
oct | 1361260406521 |
9 | 318880430572 |
10 | 101112221009 |
11 | 39977238218 |
12 | 1771a340955 |
13 | 96c507bb97 |
14 | 4c72a61089 |
15 | 296bbd68de |
hex | 178ac20d51 |
101112221009 has 8 divisors (see below), whose sum is σ = 102629697408. Its totient is φ = 99594990000.
The previous prime is 101112221003. The next prime is 101112221011. The reversal of 101112221009 is 900122211101.
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 101112221009 - 220 = 101111172433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101112221003) 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, 875384 + ... + 984134.
It is an arithmetic number, because the mean of its divisors is an integer number (12828712176).
Almost surely, 2101112221009 is an apocalyptic number.
It is an amenable number.
101112221009 is a deficient number, since it is larger than the sum of its proper divisors (1517476399).
101112221009 is a wasteful number, since it uses less digits than its factorization.
101112221009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122695.
The product of its (nonzero) digits is 72, while the sum is 20.
The spelling of 101112221009 in words is "one hundred one billion, one hundred twelve million, two hundred twenty-one thousand, nine".
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