Base | Representation |
---|---|
bin | 1011101100010011… |
… | …1001000000010110 |
3 | 22002201212111020100 |
4 | 2323010321000112 |
5 | 22411441341322 |
6 | 1235235314530 |
7 | 140530561614 |
oct | 27304710026 |
9 | 8081774210 |
10 | 3138621462 |
11 | 1370740839 |
12 | 73714ba46 |
13 | 3b032b282 |
14 | 21abac6b4 |
15 | 135826dac |
hex | bb139016 |
3138621462 has 12 divisors (see below), whose sum is σ = 6800346540. Its totient is φ = 1046207148.
The previous prime is 3138621397. The next prime is 3138621491. The reversal of 3138621462 is 2641268313.
3138621462 is a `hidden beast` number, since 3 + 1 + 386 + 214 + 62 = 666.
It is a super-4 number, since 4×31386214624 (a number of 39 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87183912 + ... + 87183947.
It is an arithmetic number, because the mean of its divisors is an integer number (566695545).
Almost surely, 23138621462 is an apocalyptic number.
3138621462 is an abundant number, since it is smaller than the sum of its proper divisors (3661725078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3138621462 is a wasteful number, since it uses less digits than its factorization.
3138621462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174367867 (or 174367864 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 3138621462 is about 56023.4010213589. The cubic root of 3138621462 is about 1464.1300246202.
Adding to 3138621462 its reverse (2641268313), we get a palindrome (5779889775).
The spelling of 3138621462 in words is "three billion, one hundred thirty-eight million, six hundred twenty-one thousand, four hundred sixty-two".
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