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872563825146 = 231331360861797
BaseRepresentation
bin11001011001010001101…
…10110101100111111010
310002102020110202222210010
430230220312311213322
5103244002314401041
61504503355002350
7120016642065366
oct14545066654772
93072213688703
10872563825146
11307063593622
12121137a393b6
136438960c510
14303376842a6
1517a6da39a16
hexcb28db59fa

872563825146 has 32 divisors (see below), whose sum is σ = 1939993026048. Its totient is φ = 259820493120.

The previous prime is 872563825141. The next prime is 872563825163. The reversal of 872563825146 is 641528365278.

It is a super-2 number, since 2×8725638251462 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (872563825141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180428481 + ... + 180433316.

It is an arithmetic number, because the mean of its divisors is an integer number (60624782064).

Almost surely, 2872563825146 is an apocalyptic number.

872563825146 is an abundant number, since it is smaller than the sum of its proper divisors (1067429200902).

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

872563825146 is a wasteful number, since it uses less digits than its factorization.

872563825146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360861846.

The product of its digits is 19353600, while the sum is 57.

The spelling of 872563825146 in words is "eight hundred seventy-two billion, five hundred sixty-three million, eight hundred twenty-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 360861797 721723594 1082585391 2165170782 4691203361 9382406722 11186715707 14073610083 22373431414 28147220166 33560147121 67120294242 145427304191 290854608382 436281912573 872563825146