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45203311447 = 7311187175493
BaseRepresentation
bin101010000110010100…
…111100101101010111
311022200022000010221021
4222012110330231113
51220034021431242
632433251502011
73160115544010
oct520624745527
9138608003837
1045203311447
11181970aaa38
1289165b7907
134355087788
14228b674007
1512986edb67
hexa8653cb57

45203311447 has 16 divisors (see below), whose sum is σ = 53372639232. Its totient is φ = 37464032160.

The previous prime is 45203311399. The next prime is 45203311453. The reversal of 45203311447 is 74411330254.

It is a cyclic number.

It is not a de Polignac number, because 45203311447 - 235 = 10843573079 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 (45203311147) 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, 169833 + ... + 345325.

It is an arithmetic number, because the mean of its divisors is an integer number (3335789952).

Almost surely, 245203311447 is an apocalyptic number.

45203311447 is a deficient number, since it is larger than the sum of its proper divisors (8169327785).

45203311447 is a wasteful number, since it uses less digits than its factorization.

45203311447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176718.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 45203311447 in words is "forty-five billion, two hundred three million, three hundred eleven thousand, four hundred forty-seven".

Divisors: 1 7 31 217 1187 8309 36797 175493 257579 1228451 5440283 38081981 208310191 1458171337 6457615921 45203311447