Base | Representation |
---|---|
bin | 11001110001110011… |
… | …01101111100010110 |
3 | 1022201111120022022000 |
4 | 30320321231330112 |
5 | 211320411300444 |
6 | 10205141420130 |
7 | 666646200600 |
oct | 147071557426 |
9 | 38644508260 |
10 | 13839556374 |
11 | 59620835a6 |
12 | 2822a0a646 |
13 | 13c72c4517 |
14 | 954070170 |
15 | 55eede469 |
hex | 338e6df16 |
13839556374 has 72 divisors (see below), whose sum is σ = 35791373880. Its totient is φ = 3952429992.
The previous prime is 13839556373. The next prime is 13839556391. The reversal of 13839556374 is 47365593831.
13839556374 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 9 + 5 + 563 + 74 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 13839556374.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13839556373) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6050259 + ... + 6052545.
It is an arithmetic number, because the mean of its divisors is an integer number (497102415).
Almost surely, 213839556374 is an apocalyptic number.
13839556374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13839556374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17895686940).
13839556374 is an abundant number, since it is smaller than the sum of its proper divisors (21951817506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13839556374 is an frugal number, since it uses more digits than its factorization.
13839556374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4599 (or 2299 counting only the distinct ones).
The product of its digits is 8164800, while the sum is 54.
Multiplying 13839556374 by its sum of digits (54), we get a square (747336044196 = 8644862).
13839556374 divided by its sum of digits (54) gives a square (256288081 = 160092).
The spelling of 13839556374 in words is "thirteen billion, eight hundred thirty-nine million, five hundred fifty-six thousand, three hundred seventy-four".
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