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42021502302 = 23135314596967
BaseRepresentation
bin100111001000101011…
…010011110101011110
311000110112212111100010
4213020223103311132
51142030001033202
631145430344050
73015221606343
oct471053236536
9130415774303
1042021502302
11169040516aa
128188abb026
133c68b17a80
142068c627ca
15115e1e576c
hex9c8ad3d5e

42021502302 has 64 divisors (see below), whose sum is σ = 92291996160. Its totient is φ = 12675222144.

The previous prime is 42021502301. The next prime is 42021502333. The reversal of 42021502302 is 20320512024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021502301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6028023 + ... + 6034989.

It is an arithmetic number, because the mean of its divisors is an integer number (1442062440).

Almost surely, 242021502302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42021502302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46145998080).

42021502302 is an abundant number, since it is smaller than the sum of its proper divisors (50270493858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42021502302 is a wasteful number, since it uses less digits than its factorization.

42021502302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497.

The product of its (nonzero) digits is 960, while the sum is 21.

The spelling of 42021502302 in words is "forty-two billion, twenty-one million, five hundred two thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 53 78 106 159 318 689 1378 1459 2067 2918 4134 4377 6967 8754 13934 18967 20901 37934 41802 56901 77327 90571 113802 154654 181142 231981 271713 369251 463962 543426 738502 1005251 1107753 2010502 2215506 3015753 4800263 6031506 9600526 10164853 14400789 20329706 28801578 30494559 60989118 132143089 264286178 396429267 538737209 792858534 1077474418 1616211627 3232423254 7003583717 14007167434 21010751151 42021502302