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8212537404136 = 2313194156142411
BaseRepresentation
bin111011110000010000101…
…0111111110101011101000
31002002002222212000012121001
41313200201113332223220
52034023234033413021
625244442042124344
71505223222101002
oct167404127765350
932062885005531
108212537404136
112686a1029a75a
12b0778a1b06b4
134775924c8060
142056bb8ad372
15e3960e11091
hex778215feae8

8212537404136 has 32 divisors (see below), whose sum is σ = 17455798130400. Its totient is φ = 3590907042240.

The previous prime is 8212537404107. The next prime is 8212537404139. The reversal of 8212537404136 is 6314047352128.

It is a super-4 number, since 4×82125374041364 (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (8212537404139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078069230 + ... + 2078073181.

It is an arithmetic number, because the mean of its divisors is an integer number (545493691575).

Almost surely, 28212537404136 is an apocalyptic number.

It is an amenable number.

8212537404136 is an abundant number, since it is smaller than the sum of its proper divisors (9243260726264).

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

8212537404136 is a wasteful number, since it uses less digits than its factorization.

8212537404136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156142449 (or 4156142445 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 8212537404136 in words is "eight trillion, two hundred twelve billion, five hundred thirty-seven million, four hundred four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 4156142411 8312284822 16624569644 33249139288 54029851343 78966705809 108059702686 157933411618 216119405372 315866823236 432238810744 631733646472 1026567175517 2053134351034 4106268702068 8212537404136