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2153307389 = 3758197497
BaseRepresentation
bin1000000001011000…
…1101110011111101
312120001211100102112
42000112031303331
513402221314024
6553400503405
7104234545052
oct20026156375
95501740375
102153307389
11a05538792
1250117ab65
132841637ac
14165da5029
15c909700e
hex8058dcfd

2153307389 has 4 divisors (see below), whose sum is σ = 2211504924. Its totient is φ = 2095109856.

The previous prime is 2153307379. The next prime is 2153307433. The reversal of 2153307389 is 9837033512.

2153307389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1162128100 + 991179289 = 34090^2 + 31483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153307389 - 28 = 2153307133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153307349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29098712 + ... + 29098785.

It is an arithmetic number, because the mean of its divisors is an integer number (552876231).

Almost surely, 22153307389 is an apocalyptic number.

It is an amenable number.

2153307389 is a deficient number, since it is larger than the sum of its proper divisors (58197535).

2153307389 is an equidigital number, since it uses as much as digits as its factorization.

2153307389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58197534.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2153307389 is about 46403.7432649565. The cubic root of 2153307389 is about 1291.3243593088.

The spelling of 2153307389 in words is "two billion, one hundred fifty-three million, three hundred seven thousand, three hundred eighty-nine".

Divisors: 1 37 58197497 2153307389