Base | Representation |
---|---|
bin | 1000000001010110… |
… | …1000101110100000 |
3 | 12120001112122001120 |
4 | 2000111220232200 |
5 | 13402201433423 |
6 | 553353332240 |
7 | 104233343151 |
oct | 20025505640 |
9 | 5501478046 |
10 | 2153155488 |
11 | a05444650 |
12 | 501107080 |
13 | 28410c603 |
14 | 165d65928 |
15 | c9066ee3 |
hex | 80568ba0 |
2153155488 has 96 divisors (see below), whose sum is σ = 6434007552. Its totient is φ = 624096000.
The previous prime is 2153155481. The next prime is 2153155517. The reversal of 2153155488 is 8845513512.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (2153155481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20038 + ... + 68613.
It is an arithmetic number, because the mean of its divisors is an integer number (67020912).
Almost surely, 22153155488 is an apocalyptic number.
It is an amenable number.
2153155488 is an abundant number, since it is smaller than the sum of its proper divisors (4280852064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2153155488 is a wasteful number, since it uses less digits than its factorization.
2153155488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88698 (or 88690 counting only the distinct ones).
The product of its digits is 192000, while the sum is 42.
The square root of 2153155488 is about 46402.1065039078. The cubic root of 2153155488 is about 1291.2939939160.
It can be divided in two parts, 2153 and 155488, that added together give a triangular number (157641 = T561).
The spelling of 2153155488 in words is "two billion, one hundred fifty-three million, one hundred fifty-five thousand, four hundred eighty-eight".
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