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2028619153 = 11720725589
BaseRepresentation
bin111100011101010…
…0100010110010001
312020101012112022201
41320322210112101
513123311303103
6533144203201
7101161656361
oct17072442621
95211175281
102028619153
11951114660
12487469501
13264387982
141535c89a1
15bd16751d
hex78ea4591

2028619153 has 8 divisors (see below), whose sum is σ = 2213432640. Its totient is φ = 1843871280.

The previous prime is 2028619139. The next prime is 2028619157. The reversal of 2028619153 is 3519168202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2028619153 - 217 = 2028488081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028619157) 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, 66483 + ... + 92071.

It is an arithmetic number, because the mean of its divisors is an integer number (276679080).

Almost surely, 22028619153 is an apocalyptic number.

It is an amenable number.

2028619153 is a deficient number, since it is larger than the sum of its proper divisors (184813487).

2028619153 is a wasteful number, since it uses less digits than its factorization.

2028619153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32807.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2028619153 is about 45040.1948597028. The cubic root of 2028619153 is about 1265.9022560130.

The spelling of 2028619153 in words is "two billion, twenty-eight million, six hundred nineteen thousand, one hundred fifty-three".

Divisors: 1 11 7207 25589 79277 281479 184419923 2028619153