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5214450021 = 311158013637
BaseRepresentation
bin1001101101100111…
…00011000101100101
3111110101220111200120
410312303203011211
541134344400041
62221231432153
7243135044124
oct46663430545
914411814616
105214450021
11223646a530
121016385659
136514050b1
14376765abb
15207bb7366
hex136ce3165

5214450021 has 8 divisors (see below), whose sum is σ = 7584654624. Its totient is φ = 3160272720.

The previous prime is 5214450013. The next prime is 5214450029. The reversal of 5214450021 is 1200544125.

It is an interprime number because it is at equal distance from previous prime (5214450013) and next prime (5214450029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5214450021 - 23 = 5214450013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5214449973 and 5214450000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5214450029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79006786 + ... + 79006851.

It is an arithmetic number, because the mean of its divisors is an integer number (948081828).

Almost surely, 25214450021 is an apocalyptic number.

It is an amenable number.

5214450021 is a deficient number, since it is larger than the sum of its proper divisors (2370204603).

5214450021 is a wasteful number, since it uses less digits than its factorization.

5214450021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158013651.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 5214450021 is about 72211.1488691324. The cubic root of 5214450021 is about 1734.0814923074.

Adding to 5214450021 its reverse (1200544125), we get a palindrome (6414994146).

The spelling of 5214450021 in words is "five billion, two hundred fourteen million, four hundred fifty thousand, twenty-one".

Divisors: 1 3 11 33 158013637 474040911 1738150007 5214450021