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5450021131 = 7176760861
BaseRepresentation
bin1010001001101100…
…01011100100001011
3112001211011202111111
411010312023210023
542130201134011
62300444511151
7252025262302
oct50466134413
915054152444
105450021131
1123474385a5
12108124b4b7
1368b165099
14399b67439
1521d6eb121
hex144d8b90b

5450021131 has 4 divisors (see below), whose sum is σ = 5526782064. Its totient is φ = 5373260200.

The previous prime is 5450021117. The next prime is 5450021141. The reversal of 5450021131 is 1311200545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5450021131 - 25 = 5450021099 is a prime.

It is a super-2 number, since 2×54500211312 = 59405460656693038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5450021141) 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, 38380360 + ... + 38380501.

It is an arithmetic number, because the mean of its divisors is an integer number (1381695516).

Almost surely, 25450021131 is an apocalyptic number.

5450021131 is a deficient number, since it is larger than the sum of its proper divisors (76760933).

5450021131 is an equidigital number, since it uses as much as digits as its factorization.

5450021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76760932.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5450021131 is about 73824.2584182191. The cubic root of 5450021131 is about 1759.8111379428.

Adding to 5450021131 its reverse (1311200545), we get a palindrome (6761221676).

The spelling of 5450021131 in words is "five billion, four hundred fifty million, twenty-one thousand, one hundred thirty-one".

Divisors: 1 71 76760861 5450021131