Base | Representation |
---|---|
bin | 1001001100001100000101… |
… | …10000000010010010001001 |
3 | 2122120001120200021121111001 |
4 | 10212012002300002102021 |
5 | 10122110102234224100 |
6 | 110552204055135001 |
7 | 4154061002015101 |
oct | 446060260022211 |
9 | 78501520247431 |
10 | 20210014758025 |
11 | 6492023503164 |
12 | 2324a05074461 |
13 | b37a47389821 |
14 | 4dc254424201 |
15 | 250a97630d6a |
hex | 126182c02489 |
20210014758025 has 27 divisors (see below), whose sum is σ = 25120739600661. Its totient is φ = 16129188193440.
The previous prime is 20210014758001. The next prime is 20210014758049. The reversal of 20210014758025 is 52085741001202.
It is a happy number.
The square root of 20210014758025 is 4495555.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (20210014758001) and next prime (20210014758049).
It can be written as a sum of positive squares in 4 ways, for example, as 4032951584841 + 16177063173184 = 2008221^2 + 4022072^2 .
It is a de Polignac number, because none of the positive numbers 2k-20210014758025 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12654986527 + ... + 12654988123.
Almost surely, 220210014758025 is an apocalyptic number.
20210014758025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20210014758025 is the 4495555-th square number.
20210014758025 is the 2247778-th centered octagonal number.
It is an amenable number.
20210014758025 is a deficient number, since it is larger than the sum of its proper divisors (4910724842636).
20210014758025 is an frugal number, since it uses more digits than its factorization.
20210014758025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4330 (or 2165 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 37.
Adding to 20210014758025 its reverse (52085741001202), we get a palindrome (72295755759227).
The spelling of 20210014758025 in words is "twenty trillion, two hundred ten billion, fourteen million, seven hundred fifty-eight thousand, twenty-five".
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