Base | Representation |
---|---|
bin | 101011110011010001111… |
… | …110110001010000010101 |
3 | 101122202100002000220121021 |
4 | 223303101332301100111 |
5 | 343303440000000041 |
6 | 10222435214121141 |
7 | 430315414566100 |
oct | 53632176612025 |
9 | 11582302026537 |
10 | 3010000000021 |
11 | a60596590803 |
12 | 407436ab01b1 |
13 | 18aac351a391 |
14 | a5983059737 |
15 | 5346c601cd1 |
hex | 2bcd1fb1415 |
3010000000021 has 24 divisors (see below), whose sum is σ = 3622325154840. Its totient is φ = 2490926054400.
The previous prime is 3009999999943. The next prime is 3010000000069. The reversal of 3010000000021 is 1200000000103.
It can be written as a sum of positive squares in 4 ways, for example, as 1031788692900 + 1978211307121 = 1015770^2 + 1406489^2 .
It is not a de Polignac number, because 3010000000021 - 215 = 3009999967253 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a junction number, because it is equal to n+sod(n) for n = 3009999999941 and 3010000000013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3010000900021) 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, 61705281 + ... + 61754041.
It is an arithmetic number, because the mean of its divisors is an integer number (150930214785).
Almost surely, 23010000000021 is an apocalyptic number.
It is an amenable number.
3010000000021 is a deficient number, since it is larger than the sum of its proper divisors (612325154819).
3010000000021 is a wasteful number, since it uses less digits than its factorization.
3010000000021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92245 (or 92238 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 7.
Adding to 3010000000021 its reverse (1200000000103), we get a palindrome (4210000000124).
The spelling of 3010000000021 in words is "three trillion, ten billion, twenty-one", and thus it is an aban number and an uban number.
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