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5421223141 = 29186938729
BaseRepresentation
bin1010000110010000…
…10100110011100101
3111222210222200002021
411003020110303211
542100313120031
62253535343141
7251225431165
oct50310246345
914883880067
105421223141
112332159204
121073681ab1
136851c1259
14395dcc5a5
1521ae0d511
hex143214ce5

5421223141 has 4 divisors (see below), whose sum is σ = 5608161900. Its totient is φ = 5234284384.

The previous prime is 5421223139. The next prime is 5421223153. The reversal of 5421223141 is 1413221245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3543820900 + 1877402241 = 59530^2 + 43329^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421223141 - 21 = 5421223139 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 (5421223111) 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, 93469336 + ... + 93469393.

It is an arithmetic number, because the mean of its divisors is an integer number (1402040475).

Almost surely, 25421223141 is an apocalyptic number.

It is an amenable number.

5421223141 is a deficient number, since it is larger than the sum of its proper divisors (186938759).

5421223141 is a wasteful number, since it uses less digits than its factorization.

5421223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186938758.

The product of its digits is 1920, while the sum is 25.

The square root of 5421223141 is about 73628.9558597703. The cubic root of 5421223141 is about 1756.7060399263.

Adding to 5421223141 its reverse (1413221245), we get a palindrome (6834444386).

The spelling of 5421223141 in words is "five billion, four hundred twenty-one million, two hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 29 186938729 5421223141