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45048213802021 = 194199076238823
BaseRepresentation
bin10100011111000100110101…
…10010000000110000100101
312220111120022110211001100211
422033202122302000300211
521401032220213131041
6235450510321535421
712326424506260303
oct1217423262006045
9186446273731324
1045048213802021
1113398927317701
12507678b7a4571
131c1a04a331961
14b1a4b926d273
15531c1a0a4481
hex28f89ac80c25

45048213802021 has 16 divisors (see below), whose sum is σ = 47584758412800. Its totient is φ = 42528452435568.

The previous prime is 45048213801953. The next prime is 45048213802043. The reversal of 45048213802021 is 12020831284054.

It is a happy number.

It is not a de Polignac number, because 45048213802021 - 29 = 45048213801509 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 (45048213892021) 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, 4101216 + ... + 10340038.

It is an arithmetic number, because the mean of its divisors is an integer number (2974047400800).

Almost surely, 245048213802021 is an apocalyptic number.

It is an amenable number.

45048213802021 is a deficient number, since it is larger than the sum of its proper divisors (2536544610779).

45048213802021 is a wasteful number, since it uses less digits than its factorization.

45048213802021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240168.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 45048213802021 in words is "forty-five trillion, forty-eight billion, two hundred thirteen million, eight hundred two thousand, twenty-one".

Divisors: 1 19 419 907 7961 17233 380033 6238823 7220627 118537637 2614066837 5658612461 49667269903 107513636759 2370958621159 45048213802021