Base | Representation |
---|---|
bin | 100100110001101… |
… | …0110000001100100 |
3 | 10011222222210112112 |
4 | 1021203112001210 |
5 | 10011401031040 |
6 | 322240540152 |
7 | 42402562346 |
oct | 11143260144 |
9 | 3158883475 |
10 | 1234002020 |
11 | 58361aa89 |
12 | 2a5321658 |
13 | 16886ac14 |
14 | b9c61296 |
15 | 73505365 |
hex | 498d6064 |
1234002020 has 12 divisors (see below), whose sum is σ = 2591404284. Its totient is φ = 493600800.
The previous prime is 1234002019. The next prime is 1234002031. The reversal of 1234002020 is 202004321.
It can be written as a sum of positive squares in 2 ways, for example, as 170720356 + 1063281664 = 13066^2 + 32608^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1234001986 and 1234002004.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30850031 + ... + 30850070.
It is an arithmetic number, because the mean of its divisors is an integer number (215950357).
Almost surely, 21234002020 is an apocalyptic number.
1234002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1234002020 is an abundant number, since it is smaller than the sum of its proper divisors (1357402264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1234002020 is a wasteful number, since it uses less digits than its factorization.
1234002020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61700110 (or 61700108 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 1234002020 is about 35128.3648922064. The cubic root of 1234002020 is about 1072.6020521485.
Adding to 1234002020 its reverse (202004321), we get a palindrome (1436006341).
The spelling of 1234002020 in words is "one billion, two hundred thirty-four million, two thousand, twenty".
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