Base | Representation |
---|---|
bin | 111110101010000… |
… | …1101111100111110 |
3 | 12102112010121222201 |
4 | 1331110031330332 |
5 | 13301211431110 |
6 | 544342502114 |
7 | 103046355520 |
oct | 17524157476 |
9 | 5375117881 |
10 | 2102452030 |
11 | 989863368 |
12 | 4a813493a |
13 | 276768c73 |
14 | 15d327a10 |
15 | c489db3a |
hex | 7d50df3e |
2102452030 has 64 divisors (see below), whose sum is σ = 4562127360. Its totient is φ = 681485184.
The previous prime is 2102452021. The next prime is 2102452039. The reversal of 2102452030 is 302542012.
It is an interprime number because it is at equal distance from previous prime (2102452021) and next prime (2102452039).
It is a super-2 number, since 2×21024520302 = 8840609076902241800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 2102451989 and 2102452007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102452039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 779364 + ... + 782056.
It is an arithmetic number, because the mean of its divisors is an integer number (71283240).
Almost surely, 22102452030 is an apocalyptic number.
2102452030 is an abundant number, since it is smaller than the sum of its proper divisors (2459675330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102452030 is a wasteful number, since it uses less digits than its factorization.
2102452030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3313.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 2102452030 is about 45852.5029851152. The cubic root of 2102452030 is about 1281.0773867640.
Adding to 2102452030 its reverse (302542012), we get a palindrome (2404994042).
The spelling of 2102452030 in words is "two billion, one hundred two million, four hundred fifty-two thousand, thirty".
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