Base | Representation |
---|---|
bin | 110110100100100… |
… | …0011010000000000 |
3 | 11201121111222002202 |
4 | 1231021003100000 |
5 | 12222224323102 |
6 | 501410332332 |
7 | 63243000224 |
oct | 15511032000 |
9 | 4647458082 |
10 | 1831089152 |
11 | 85a669422 |
12 | 43128a0a8 |
13 | 232486a09 |
14 | 13528a784 |
15 | aab49e02 |
hex | 6d243400 |
1831089152 has 88 divisors (see below), whose sum is σ = 3883077120. Its totient is φ = 861511680.
The previous prime is 1831089137. The next prime is 1831089157. The reversal of 1831089152 is 2519801381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1831089157) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173749 + ... + 1175307.
Almost surely, 21831089152 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 1831089152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1941538560).
1831089152 is an abundant number, since it is smaller than the sum of its proper divisors (2051987968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1831089152 is a wasteful number, since it uses less digits than its factorization.
1831089152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1647 (or 1629 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 38.
The square root of 1831089152 is about 42791.2275121899. The cubic root of 1831089152 is about 1223.4038134910.
The spelling of 1831089152 in words is "one billion, eight hundred thirty-one million, eighty-nine thousand, one hundred fifty-two".
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