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45331304321 = 17131137148579
BaseRepresentation
bin101010001101111101…
…001100111110000001
311100000012211212011002
4222031331030332001
51220314303214241
632454103101345
73163231505042
oct521575147601
9140005755132
1045331304321
1118252380976
128951441855
13437574c7c4
1422a06708c9
1512a4a8289b
hexa8df4cf81

45331304321 has 16 divisors (see below), whose sum is σ = 48717599040. Its totient is φ = 42029744640.

The previous prime is 45331304273. The next prime is 45331304323. The reversal of 45331304321 is 12340313354.

It is a de Polignac number, because none of the positive numbers 2k-45331304321 is a prime.

It is a super-2 number, since 2×453313043212 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45331304323) 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 15 ways as a sum of consecutive naturals, for example, 230810 + ... + 379388.

It is an arithmetic number, because the mean of its divisors is an integer number (3044849940).

Almost surely, 245331304321 is an apocalyptic number.

It is an amenable number.

45331304321 is a deficient number, since it is larger than the sum of its proper divisors (3386294719).

45331304321 is a wasteful number, since it uses less digits than its factorization.

45331304321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148864.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 45331304321 its reverse (12340313354), we get a palindrome (57671617675).

The spelling of 45331304321 in words is "forty-five billion, three hundred thirty-one million, three hundred four thousand, three hundred twenty-one".

Divisors: 1 17 131 137 2227 2329 17947 148579 305099 2525843 19463849 20355323 330885433 346040491 2666547313 45331304321