Base | Representation |
---|---|
bin | 11000011010101010… |
… | …00011000110111010 |
3 | 1020211112222222122112 |
4 | 30031111003012322 |
5 | 203321240222300 |
6 | 10004425052322 |
7 | 642561416351 |
oct | 141525030672 |
9 | 36745888575 |
10 | 13108523450 |
11 | 5617468760 |
12 | 265a0270a2 |
13 | 130ba0ac69 |
14 | 8c4d38998 |
15 | 51ac3be35 |
hex | 30d5431ba |
13108523450 has 48 divisors (see below), whose sum is σ = 27515604960. Its totient is φ = 4602360000.
The previous prime is 13108523437. The next prime is 13108523459. The reversal of 13108523450 is 5432580131.
It is a super-5 number, since 5×131085234505 (a number of 52 digits) contains 55555 as substring.
It is not an unprimeable number, because it can be changed into a prime (13108523459) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394976 + ... + 426875.
It is an arithmetic number, because the mean of its divisors is an integer number (573241770).
Almost surely, 213108523450 is an apocalyptic number.
13108523450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13108523450 is an abundant number, since it is smaller than the sum of its proper divisors (14407081510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13108523450 is a wasteful number, since it uses less digits than its factorization.
13108523450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 821903 (or 821898 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 32.
The spelling of 13108523450 in words is "thirteen billion, one hundred eight million, five hundred twenty-three thousand, four hundred fifty".
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