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45234314621 = 521148958309
BaseRepresentation
bin101010001000001011…
…001101110101111101
311022202110100021021222
4222020023031311331
51220114441031441
632440320203125
73160643221166
oct521013156575
9138673307258
1045234314621
11182026560a1
128924a694a5
13435b621252
14229182476d
15129b2c4d4b
hexa882cdd7d

45234314621 has 8 divisors (see below), whose sum is σ = 45352351800. Its totient is φ = 45116398080.

The previous prime is 45234314557. The next prime is 45234314639. The reversal of 45234314621 is 12641343254.

It can be written as a sum of positive squares in 4 ways, for example, as 634788025 + 44599526596 = 25195^2 + 211186^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45234314621 - 26 = 45234314557 is a prime.

It is a super-2 number, since 2×452343146212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45234314821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746615 + ... + 804923.

It is an arithmetic number, because the mean of its divisors is an integer number (5669043975).

Almost surely, 245234314621 is an apocalyptic number.

It is an amenable number.

45234314621 is a deficient number, since it is larger than the sum of its proper divisors (118037179).

45234314621 is a wasteful number, since it uses less digits than its factorization.

45234314621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60319.

The product of its digits is 69120, while the sum is 35.

Adding to 45234314621 its reverse (12641343254), we get a palindrome (57875657875).

The spelling of 45234314621 in words is "forty-five billion, two hundred thirty-four million, three hundred fourteen thousand, six hundred twenty-one".

Divisors: 1 521 1489 58309 775769 30378989 86822101 45234314621