Base | Representation |
---|---|
bin | 1011101100110111001… |
… | …1011100010010100111 |
3 | 201012212112001121121010 |
4 | 2323031303130102213 |
5 | 11243142423410434 |
6 | 232203052153303 |
7 | 20344331641350 |
oct | 2731563342247 |
9 | 635775047533 |
10 | 201021310119 |
11 | 7828631a653 |
12 | 32b61768833 |
13 | 15c57aaaba6 |
14 | 9a2d9b8d27 |
15 | 5367e649e9 |
hex | 2ecdcdc4a7 |
201021310119 has 16 divisors (see below), whose sum is σ = 306378330368. Its totient is φ = 114846766272.
The previous prime is 201021310109. The next prime is 201021310153. The reversal of 201021310119 is 911013120102.
It is a happy number.
It is not a de Polignac number, because 201021310119 - 29 = 201021309607 is a prime.
It is a super-2 number, since 2×2010213101192 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201021310095 and 201021310104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201021310109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829942 + ... + 1044435.
It is an arithmetic number, because the mean of its divisors is an integer number (19148645648).
Almost surely, 2201021310119 is an apocalyptic number.
201021310119 is a deficient number, since it is larger than the sum of its proper divisors (105357020249).
201021310119 is a wasteful number, since it uses less digits than its factorization.
201021310119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1879494.
The product of its (nonzero) digits is 108, while the sum is 21.
The spelling of 201021310119 in words is "two hundred one billion, twenty-one million, three hundred ten thousand, one hundred nineteen".
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