Base | Representation |
---|---|
bin | 101001001010001… |
… | …1111010110111000 |
3 | 10120020210022012011 |
4 | 1102110133112320 |
5 | 10312030244112 |
6 | 345013455304 |
7 | 46140116311 |
oct | 12224372670 |
9 | 3506708164 |
10 | 1381103032 |
11 | 649662171 |
12 | 326641534 |
13 | 19019343a |
14 | d15d3608 |
15 | 813b0aa7 |
hex | 5251f5b8 |
1381103032 has 16 divisors (see below), whose sum is σ = 2601844200. Its totient is φ = 687277920.
The previous prime is 1381103023. The next prime is 1381103039. The reversal of 1381103032 is 2303011831.
It is a junction number, because it is equal to n+sod(n) for n = 1381102994 and 1381103012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1381103039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407407 + ... + 410782.
Almost surely, 21381103032 is an apocalyptic number.
It is an amenable number.
1381103032 is a deficient number, since it is larger than the sum of its proper divisors (1220741168).
1381103032 is a wasteful number, since it uses less digits than its factorization.
1381103032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 818406 (or 818402 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 1381103032 is about 37163.1945881944. The cubic root of 1381103032 is about 1113.6328318830.
Adding to 1381103032 its reverse (2303011831), we get a palindrome (3684114863).
The spelling of 1381103032 in words is "one billion, three hundred eighty-one million, one hundred three thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •