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52203981018 = 2375478772591
BaseRepresentation
bin110000100111100110…
…011000100011011010
311222202012000000012110
4300213212120203122
51323403204343033
635552052253150
73525443342250
oct604746304332
9158665000173
1052203981018
1120159871672
12a14b0111b6
134bcc5663c7
1427533265d0
1515580eb363
hexc279988da

52203981018 has 64 divisors (see below), whose sum is σ = 119724023808. Its totient is φ = 14865439680.

The previous prime is 52203981013. The next prime is 52203981103. The reversal of 52203981018 is 81018930225.

It is not an unprimeable number, because it can be changed into a prime (52203981013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20146903 + ... + 20149493.

It is an arithmetic number, because the mean of its divisors is an integer number (1870687872).

Almost surely, 252203981018 is an apocalyptic number.

52203981018 is an abundant number, since it is smaller than the sum of its proper divisors (67520042790).

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

52203981018 is a wasteful number, since it uses less digits than its factorization.

52203981018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 52203981018 in words is "fifty-two billion, two hundred three million, nine hundred eighty-one thousand, eighteen".

Divisors: 1 2 3 6 7 14 21 42 547 877 1094 1641 1754 2591 2631 3282 3829 5182 5262 6139 7658 7773 11487 12278 15546 18137 18417 22974 36274 36834 54411 108822 479719 959438 1417277 1439157 2272307 2834554 2878314 3358033 4251831 4544614 6716066 6816921 8503662 9920939 10074099 13633842 15906149 19841878 20148198 29762817 31812298 47718447 59525634 95436894 1242951929 2485903858 3728855787 7457711574 8700663503 17401327006 26101990509 52203981018