Base | Representation |
---|---|
bin | 11011010001011101001… |
… | …100001011010000111001 |
3 | 20122011120002000121202221 |
4 | 123101131030023100321 |
5 | 221201244304322014 |
6 | 3552551554324041 |
7 | 252255442320421 |
oct | 33213514132071 |
9 | 6564502017687 |
10 | 1874169214009 |
11 | 662915730974 |
12 | 263287589621 |
13 | 10796c3798a1 |
14 | 669d2dc5481 |
15 | 33b411b6b24 |
hex | 1b45d30b439 |
1874169214009 has 9 divisors (see below), whose sum is σ = 1941065357647. Its totient is φ = 1809504357304.
The previous prime is 1874169214007. The next prime is 1874169214081. The reversal of 1874169214009 is 9004129614781.
The square root of 1874169214009 is 1369003.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 982768874409 + 891400339600 = 991347^2 + 944140^2 .
It is not a de Polignac number, because 1874169214009 - 21 = 1874169214007 is a prime.
It is a super-2 number, since 2×18741692140092 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1874169214007) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39677484 + ... + 39724690.
Almost surely, 21874169214009 is an apocalyptic number.
1874169214009 is the 1369003-rd square number.
1874169214009 is the 684502-nd centered octagonal number.
It is an amenable number.
1874169214009 is a deficient number, since it is larger than the sum of its proper divisors (66896143638).
1874169214009 is an frugal number, since it uses more digits than its factorization.
1874169214009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94472 (or 47236 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 52.
The spelling of 1874169214009 in words is "one trillion, eight hundred seventy-four billion, one hundred sixty-nine million, two hundred fourteen thousand, nine".
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