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2153020144 = 241112233069
BaseRepresentation
bin1000000001010100…
…0111101011110000
312120001021202101211
42000111013223300
513402133121034
6553350405504
7104232240442
oct20025075360
95501252354
102153020144
11a053619a0
12501060894
13284092b22
14165d2c492
15c903bd64
hex80547af0

2153020144 has 20 divisors (see below), whose sum is σ = 4550702040. Its totient is φ = 978645440.

The previous prime is 2153020141. The next prime is 2153020147. The reversal of 2153020144 is 4410203512.

It is an interprime number because it is at equal distance from previous prime (2153020141) and next prime (2153020147).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6116359 + ... + 6116710.

It is an arithmetic number, because the mean of its divisors is an integer number (227535102).

Almost surely, 22153020144 is an apocalyptic number.

It is an amenable number.

2153020144 is an abundant number, since it is smaller than the sum of its proper divisors (2397681896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153020144 is a wasteful number, since it uses less digits than its factorization.

2153020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233088 (or 12233082 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2153020144 is about 46400.6480989221. The cubic root of 2153020144 is about 1291.2669371061.

Adding to 2153020144 its reverse (4410203512), we get a palindrome (6563223656).

The spelling of 2153020144 in words is "two billion, one hundred fifty-three million, twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 12233069 24466138 48932276 97864552 134563759 195729104 269127518 538255036 1076510072 2153020144