Base | Representation |
---|---|
bin | 1001010101101100… |
… | …0100001001100101 |
3 | 20110201011201101201 |
4 | 2111123010021211 |
5 | 20113231300234 |
6 | 1052431322501 |
7 | 116060204362 |
oct | 22533041145 |
9 | 6421151351 |
10 | 2506900069 |
11 | 1077097143 |
12 | 59b680431 |
13 | 30c4a702b |
14 | 19ad29469 |
15 | ea140314 |
hex | 956c4265 |
2506900069 has 4 divisors (see below), whose sum is σ = 2507407744. Its totient is φ = 2506392396.
The previous prime is 2506900063. The next prime is 2506900091. The reversal of 2506900069 is 9600096052.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2506900069 - 23 = 2506900061 is a prime.
It is a super-2 number, since 2×25069000692 = 12569095911904409522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2506900061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246357 + ... + 256330.
It is an arithmetic number, because the mean of its divisors is an integer number (626851936).
Almost surely, 22506900069 is an apocalyptic number.
It is an amenable number.
2506900069 is a deficient number, since it is larger than the sum of its proper divisors (507675).
2506900069 is an equidigital number, since it uses as much as digits as its factorization.
2506900069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 507674.
The product of its (nonzero) digits is 29160, while the sum is 37.
The square root of 2506900069 is about 50068.9531446384. The cubic root of 2506900069 is about 1358.4563058811.
The spelling of 2506900069 in words is "two billion, five hundred six million, nine hundred thousand, sixty-nine".
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