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5460144021 = 321035890123
BaseRepresentation
bin1010001010111001…
…10010111110010101
3112002112020001111100
411011130302332111
542140244102041
62301445500313
7252210313143
oct50534627625
915075201440
105460144021
112352122022
121084711699
1369029a867
1439b240593
1521e54a6b6
hex145732f95

5460144021 has 12 divisors (see below), whose sum is σ = 7963447648. Its totient is φ = 3604754664.

The previous prime is 5460144007. The next prime is 5460144061. The reversal of 5460144021 is 1204410645.

5460144021 is a `hidden beast` number, since 54 + 601 + 4 + 4 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 5460144021 - 222 = 5455949717 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 (5460144061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2944135 + ... + 2945988.

Almost surely, 25460144021 is an apocalyptic number.

It is an amenable number.

5460144021 is a deficient number, since it is larger than the sum of its proper divisors (2503303627).

5460144021 is a wasteful number, since it uses less digits than its factorization.

5460144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890232 (or 5890229 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 5460144021 is about 73892.7873408494. The cubic root of 5460144021 is about 1760.9000240232.

Adding to 5460144021 its reverse (1204410645), we get a palindrome (6664554666).

The spelling of 5460144021 in words is "five billion, four hundred sixty million, one hundred forty-four thousand, twenty-one".

Divisors: 1 3 9 103 309 927 5890123 17670369 53011107 606682669 1820048007 5460144021