Base | Representation |
---|---|
bin | 100101000000111… |
… | …1001111010010010 |
3 | 10012120001210222201 |
4 | 1022001321322102 |
5 | 10020423411310 |
6 | 323124353414 |
7 | 42530640055 |
oct | 11201717222 |
9 | 3176053881 |
10 | 1242013330 |
11 | 5880a1aa8 |
12 | 2a7b4586a |
13 | 16a41453c |
14 | bad48a9c |
15 | 74088e3a |
hex | 4a079e92 |
1242013330 has 8 divisors (see below), whose sum is σ = 2235624012. Its totient is φ = 496805328.
The previous prime is 1242013301. The next prime is 1242013349. The reversal of 1242013330 is 333102421.
It can be written as a sum of positive squares in 2 ways, for example, as 1203187969 + 38825361 = 34687^2 + 6231^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×12420133302 = 3085194223795377800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1242013298 and 1242013307.
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, 62100657 + ... + 62100676.
Almost surely, 21242013330 is an apocalyptic number.
1242013330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1242013330 is a deficient number, since it is larger than the sum of its proper divisors (993610682).
1242013330 is a wasteful number, since it uses less digits than its factorization.
1242013330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124201340.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1242013330 is about 35242.2094937307. The cubic root of 1242013330 is about 1074.9182068649.
Adding to 1242013330 its reverse (333102421), we get a palindrome (1575115751).
The spelling of 1242013330 in words is "one billion, two hundred forty-two million, thirteen thousand, three hundred thirty".
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