Base | Representation |
---|---|
bin | 1000000101010111… |
… | …1000011100100111 |
3 | 12121020020021101210 |
4 | 2001111320130213 |
5 | 13421004401340 |
6 | 555154322503 |
7 | 104526446100 |
oct | 20125703447 |
9 | 5536207353 |
10 | 2169997095 |
11 | a139a7a32 |
12 | 506889433 |
13 | 287758266 |
14 | 1682ab3a7 |
15 | ca792180 |
hex | 81578727 |
2169997095 has 24 divisors (see below), whose sum is σ = 4038853104. Its totient is φ = 991998336.
The previous prime is 2169997091. The next prime is 2169997177. The reversal of 2169997095 is 5907999612.
It is not a de Polignac number, because 2169997095 - 22 = 2169997091 is a prime.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2169997091) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1475454 + ... + 1476923.
It is an arithmetic number, because the mean of its divisors is an integer number (168285546).
Almost surely, 22169997095 is an apocalyptic number.
2169997095 is a deficient number, since it is larger than the sum of its proper divisors (1868856009).
2169997095 is a wasteful number, since it uses less digits than its factorization.
2169997095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2952399 (or 2952392 counting only the distinct ones).
The product of its (nonzero) digits is 2755620, while the sum is 57.
The square root of 2169997095 is about 46583.2276146684. The cubic root of 2169997095 is about 1294.6520126588.
The spelling of 2169997095 in words is "two billion, one hundred sixty-nine million, nine hundred ninety-seven thousand, ninety-five".
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