Base | Representation |
---|---|
bin | 11110000111010100010… |
… | …000111110001001011001 |
3 | 21022211120212101010200221 |
4 | 132013110100332021121 |
5 | 232401203231104100 |
6 | 4222404323400041 |
7 | 302340443625331 |
oct | 36072420761131 |
9 | 7284525333627 |
10 | 2069440488025 |
11 | 728710229269 |
12 | 2950a3523021 |
13 | 1201bbabab41 |
14 | 7223905c0c1 |
15 | 38c6e41c01a |
hex | 1e1d443e259 |
2069440488025 has 27 divisors (see below), whose sum is σ = 2651839798269. Its totient is φ = 1601974848000.
The previous prime is 2069440487971. The next prime is 2069440488029. The reversal of 2069440488025 is 5208840449602.
It is a happy number.
The square root of 2069440488025 is 1438555.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 192332242249 + 1877108245776 = 438557^2 + 1370076^2 .
It is not a de Polignac number, because 2069440488025 - 27 = 2069440487897 is a prime.
It is a super-3 number, since 3×20694404880253 (a number of 38 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2069440488029) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 222971385 + ... + 222980665.
Almost surely, 22069440488025 is an apocalyptic number.
2069440488025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2069440488025 is the 1438555-th square number.
2069440488025 is the 719278-th centered octagonal number.
It is an amenable number.
2069440488025 is a deficient number, since it is larger than the sum of its proper divisors (582399310244).
2069440488025 is an frugal number, since it uses more digits than its factorization.
2069440488025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18634 (or 9317 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 52.
The spelling of 2069440488025 in words is "two trillion, sixty-nine billion, four hundred forty million, four hundred eighty-eight thousand, twenty-five".
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