Base | Representation |
---|---|
bin | 11000100100001000… |
… | …01111110101111000 |
3 | 1021001002120002011112 |
4 | 30102010033311320 |
5 | 204002112131430 |
6 | 10020344415452 |
7 | 644545123604 |
oct | 142204176570 |
9 | 37032502145 |
10 | 13188005240 |
11 | 5658315593 |
12 | 2680777588 |
13 | 13223194c7 |
14 | 8d1708504 |
15 | 522bdc195 |
hex | 31210fd78 |
13188005240 has 16 divisors (see below), whose sum is σ = 29673011880. Its totient is φ = 5275202080.
The previous prime is 13188005219. The next prime is 13188005261. The reversal of 13188005240 is 4250088131.
It is an interprime number because it is at equal distance from previous prime (13188005219) and next prime (13188005261).
It is a junction number, because it is equal to n+sod(n) for n = 13188005197 and 13188005206.
It is a congruent number.
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, 164850026 + ... + 164850105.
Almost surely, 213188005240 is an apocalyptic number.
13188005240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13188005240 is an abundant number, since it is smaller than the sum of its proper divisors (16485006640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13188005240 is a wasteful number, since it uses less digits than its factorization.
13188005240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329700142 (or 329700138 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 32.
The spelling of 13188005240 in words is "thirteen billion, one hundred eighty-eight million, five thousand, two hundred forty".
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