Base | Representation |
---|---|
bin | 1011110110011101… |
… | …0100000000000100 |
3 | 22012200222200010200 |
4 | 2331213110000010 |
5 | 23003341334424 |
6 | 1243400050500 |
7 | 141555514500 |
oct | 27547240004 |
9 | 8180880120 |
10 | 3181199364 |
11 | 1392782192 |
12 | 749463a30 |
13 | 3b90b82b5 |
14 | 2226d3300 |
15 | 1394378c9 |
hex | bd9d4004 |
3181199364 has 108 divisors (see below), whose sum is σ = 9397350144. Its totient is φ = 904726368.
The previous prime is 3181199309. The next prime is 3181199401. The reversal of 3181199364 is 4639911813.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 389329 + ... + 397415.
Almost surely, 23181199364 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3181199364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4698675072).
3181199364 is an abundant number, since it is smaller than the sum of its proper divisors (6216150780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3181199364 is a wasteful number, since it uses less digits than its factorization.
3181199364 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8334 (or 8322 counting only the distinct ones).
The product of its digits is 139968, while the sum is 45.
The square root of 3181199364 is about 56402.1219813581. The cubic root of 3181199364 is about 1470.7210068464.
The spelling of 3181199364 in words is "three billion, one hundred eighty-one million, one hundred ninety-nine thousand, three hundred sixty-four".
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