Base | Representation |
---|---|
bin | 1001111011001111… |
… | …0001011110001001 |
3 | 20212200111010102100 |
4 | 2132303301132021 |
5 | 20424034401410 |
6 | 1120214424013 |
7 | 123011534463 |
oct | 23663613611 |
9 | 6780433370 |
10 | 2664372105 |
11 | 1147a7221a |
12 | 624362009 |
13 | 335cc0c55 |
14 | 1b3bdb133 |
15 | 108d988c0 |
hex | 9ecf1789 |
2664372105 has 24 divisors (see below), whose sum is σ = 4619464200. Its totient is φ = 1420623360.
The previous prime is 2664372079. The next prime is 2664372131. The reversal of 2664372105 is 5012734662.
2664372105 is a `hidden beast` number, since 2 + 6 + 6 + 437 + 210 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (2664372079) and next prime (2664372131).
It can be written as a sum of positive squares in 4 ways, for example, as 1109489481 + 1554882624 = 33309^2 + 39432^2 .
It is not a de Polignac number, because 2664372105 - 210 = 2664371081 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2664372105.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285615 + ... + 294795.
It is an arithmetic number, because the mean of its divisors is an integer number (192477675).
Almost surely, 22664372105 is an apocalyptic number.
It is an amenable number.
2664372105 is a deficient number, since it is larger than the sum of its proper divisors (1955092095).
2664372105 is a wasteful number, since it uses less digits than its factorization.
2664372105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15641 (or 15638 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 2664372105 is about 51617.5561703574. The cubic root of 2664372105 is about 1386.3246945165.
The spelling of 2664372105 in words is "two billion, six hundred sixty-four million, three hundred seventy-two thousand, one hundred five".
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