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2153020544 = 2722774099
BaseRepresentation
bin1000000001010100…
…0111110010000000
312120001021202221122
42000111013302000
513402133124134
6553350411412
7104232241553
oct20025076200
95501252848
102153020544
11a05362224
12501060b68
1328409306c
14165d2c69a
15c903c02e
hex80547c80

2153020544 has 32 divisors (see below), whose sum is σ = 4308174000. Its totient is φ = 1071753472.

The previous prime is 2153020531. The next prime is 2153020553. The reversal of 2153020544 is 4450203512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7994 + ... + 66105.

Almost surely, 22153020544 is an apocalyptic number.

It is an amenable number.

2153020544 is an abundant number, since it is smaller than the sum of its proper divisors (2155153456).

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

2153020544 is an equidigital number, since it uses as much as digits as its factorization.

2153020544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74340 (or 74328 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2153020544 is about 46400.6524092065. The cubic root of 2153020544 is about 1291.2670170723.

The spelling of 2153020544 in words is "two billion, one hundred fifty-three million, twenty thousand, five hundred forty-four".