Base | Representation |
---|---|
bin | 11001101011000011… |
… | …11001000010111110 |
3 | 1022120120002212101110 |
4 | 30311201321002332 |
5 | 211211420310000 |
6 | 10155401022450 |
7 | 665361246342 |
oct | 146541710276 |
9 | 38516085343 |
10 | 13782978750 |
11 | 593314aa32 |
12 | 2807a84a26 |
13 | 13b8675238 |
14 | 94a743622 |
15 | 55a065850 |
hex | 3358790be |
13782978750 has 40 divisors (see below), whose sum is σ = 34446429864. Its totient is φ = 3675460000.
The previous prime is 13782978721. The next prime is 13782978751. The reversal of 13782978750 is 5787928731.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13782978751) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1833981 + ... + 1841480.
Almost surely, 213782978750 is an apocalyptic number.
13782978750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13782978750 is an abundant number, since it is smaller than the sum of its proper divisors (20663451114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13782978750 is an equidigital number, since it uses as much as digits as its factorization.
13782978750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3675486 (or 3675471 counting only the distinct ones).
The product of its (nonzero) digits is 5927040, while the sum is 57.
The spelling of 13782978750 in words is "thirteen billion, seven hundred eighty-two million, nine hundred seventy-eight thousand, seven hundred fifty".
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