Base | Representation |
---|---|
bin | 100100101010000… |
… | …0110000101000111 |
3 | 10011201110201001010 |
4 | 1021110012011013 |
5 | 10004340121201 |
6 | 322015133303 |
7 | 42323603046 |
oct | 11124060507 |
9 | 3151421033 |
10 | 1230004551 |
11 | 58133a696 |
12 | 2a3b14233 |
13 | 167a9b559 |
14 | b950055d |
15 | 72eb5bd6 |
hex | 49506147 |
1230004551 has 32 divisors (see below), whose sum is σ = 1726889472. Its totient is φ = 777853440.
The previous prime is 1230004547. The next prime is 1230004597. The reversal of 1230004551 is 1554000321.
It is not a de Polignac number, because 1230004551 - 22 = 1230004547 is a prime.
It is a super-2 number, since 2×12300045512 = 3025822390961423202, which contains 22 as substring.
1230004551 is a modest number, since divided by 4551 gives 1230 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230004541) 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, 1655086 + ... + 1655828.
It is an arithmetic number, because the mean of its divisors is an integer number (53965296).
Almost surely, 21230004551 is an apocalyptic number.
1230004551 is a deficient number, since it is larger than the sum of its proper divisors (496884921).
1230004551 is a wasteful number, since it uses less digits than its factorization.
1230004551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1143.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 1230004551 is about 35071.4207154486. The cubic root of 1230004551 is about 1071.4425911334.
Adding to 1230004551 its reverse (1554000321), we get a palindrome (2784004872).
The spelling of 1230004551 in words is "one billion, two hundred thirty million, four thousand, five hundred fifty-one".
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