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2142153223153 = 10121209437853
BaseRepresentation
bin11111001011000010010…
…010000010101111110001
321120210021100012210120221
4133023002102002233301
5240044112211120103
64320031441533041
7310523360651626
oct37130222025761
97523240183527
102142153223153
11756533715399
122a71b6944181
1312700925a6b8
147597606034d
153aac7c7b1bd
hex1f2c2482bf1

2142153223153 has 4 divisors (see below), whose sum is σ = 2163362661108. Its totient is φ = 2120943785200.

The previous prime is 2142153223151. The next prime is 2142153223201. The reversal of 2142153223153 is 3513223512412.

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 1907735539264 + 234417683889 = 1381208^2 + 484167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142153223153 - 21 = 2142153223151 is a prime.

It is a super-2 number, since 2×21421532231532 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142153223151) 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, 10604718826 + ... + 10604719027.

It is an arithmetic number, because the mean of its divisors is an integer number (540840665277).

Almost surely, 22142153223153 is an apocalyptic number.

It is an amenable number.

2142153223153 is a deficient number, since it is larger than the sum of its proper divisors (21209437955).

2142153223153 is a wasteful number, since it uses less digits than its factorization.

2142153223153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21209437954.

The product of its digits is 43200, while the sum is 34.

Adding to 2142153223153 its reverse (3513223512412), we get a palindrome (5655376735565).

The spelling of 2142153223153 in words is "two trillion, one hundred forty-two billion, one hundred fifty-three million, two hundred twenty-three thousand, one hundred fifty-three".

Divisors: 1 101 21209437853 2142153223153