Base | Representation |
---|---|
bin | 1000000000001001… |
… | …1010001100011001 |
3 | 12112201001120010011 |
4 | 2000002122030121 |
5 | 13344404141400 |
6 | 553053321521 |
7 | 104142451414 |
oct | 20002321431 |
9 | 5481046104 |
10 | 2148115225 |
11 | a02611843 |
12 | 4bb4962a1 |
13 | 2830663c9 |
14 | 165412b7b |
15 | c88bd8ba |
hex | 8009a319 |
2148115225 has 24 divisors (see below), whose sum is σ = 2684256768. Its totient is φ = 1705267200.
The previous prime is 2148115219. The next prime is 2148115241. The reversal of 2148115225 is 5225118412.
It is not a de Polignac number, because 2148115225 - 23 = 2148115217 is a prime.
It is a super-2 number, since 2×21481152252 = 9228798039753601250, which contains 22 as substring.
It is a Duffinian number.
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, 2357520 + ... + 2358430.
It is an arithmetic number, because the mean of its divisors is an integer number (111844032).
Almost surely, 22148115225 is an apocalyptic number.
2148115225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2148115225 is a deficient number, since it is larger than the sum of its proper divisors (536141543).
2148115225 is a wasteful number, since it uses less digits than its factorization.
2148115225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1545 (or 1540 counting only the distinct ones).
The product of its digits is 6400, while the sum is 31.
The square root of 2148115225 is about 46347.7639697969. The cubic root of 2148115225 is about 1290.2856217100.
The spelling of 2148115225 in words is "two billion, one hundred forty-eight million, one hundred fifteen thousand, two hundred twenty-five".
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