Base | Representation |
---|---|
bin | 1000000001100111… |
… | …0100101011100110 |
3 | 12120010121101121021 |
4 | 2000121310223212 |
5 | 13402442044110 |
6 | 553433041354 |
7 | 104245564036 |
oct | 20031645346 |
9 | 5503541537 |
10 | 2154253030 |
11 | a06024206 |
12 | 50155625a |
13 | 284405047 |
14 | 16616d8c6 |
15 | c91d22da |
hex | 80674ae6 |
2154253030 has 16 divisors (see below), whose sum is σ = 3896036784. Its totient is φ = 857616480.
The previous prime is 2154253021. The next prime is 2154253043. The reversal of 2154253030 is 303524512.
It is a super-2 number, since 2×21542530302 = 9281612234528361800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2154252986 and 2154253004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508377 + ... + 512596.
It is an arithmetic number, because the mean of its divisors is an integer number (243502299).
Almost surely, 22154253030 is an apocalyptic number.
2154253030 is a deficient number, since it is larger than the sum of its proper divisors (1741783754).
2154253030 is a wasteful number, since it uses less digits than its factorization.
2154253030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1021191.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 2154253030 is about 46413.9314215032. The cubic root of 2154253030 is about 1291.5133632185.
Adding to 2154253030 its reverse (303524512), we get a palindrome (2457777542).
The spelling of 2154253030 in words is "two billion, one hundred fifty-four million, two hundred fifty-three thousand, thirty".
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