Base | Representation |
---|---|
bin | 10011000010100010… |
… | …11101100010101011 |
3 | 222101101022102102210 |
4 | 21201101131202223 |
5 | 131413301330440 |
6 | 4410150500203 |
7 | 511210506354 |
oct | 114121354253 |
9 | 28341272383 |
10 | 10221901995 |
11 | 4375aa7298 |
12 | 1b93364663 |
13 | c6b972826 |
14 | 6cd806d2b |
15 | 3ec5e1a80 |
hex | 26145d8ab |
10221901995 has 8 divisors (see below), whose sum is σ = 16355043216. Its totient is φ = 5451681056.
The previous prime is 10221901973. The next prime is 10221902023. The reversal of 10221901995 is 59910912201.
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 10221901995 - 26 = 10221901931 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340730052 + ... + 340730081.
It is an arithmetic number, because the mean of its divisors is an integer number (2044380402).
Almost surely, 210221901995 is an apocalyptic number.
10221901995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10221901995 is a deficient number, since it is larger than the sum of its proper divisors (6133141221).
10221901995 is an equidigital number, since it uses as much as digits as its factorization.
10221901995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681460141.
The product of its (nonzero) digits is 14580, while the sum is 39.
The spelling of 10221901995 in words is "ten billion, two hundred twenty-one million, nine hundred one thousand, nine hundred ninety-five".
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