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212664052652502 = 231112725371516661
BaseRepresentation
bin110000010110101010110101…
…010100001001100111010110
31000212222111002110221002201010
4300112222311110021213112
5210333241434434340002
62032144303404313050
762536320321622263
oct6026526524114726
91025874073832633
10212664052652502
11618413556445a0
121ba27874b42786
139188198861379
143a72dd067826a
15198bd3025646c
hexc16ab55099d6

212664052652502 has 32 divisors (see below), whose sum is σ = 467647795113984. Its totient is φ = 63936221983200.

The previous prime is 212664052652479. The next prime is 212664052652609. The reversal of 212664052652502 is 205256250466212.

It is a super-2 number, since 2×2126640526525022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 12685749949 + ... + 12685766712.

It is an arithmetic number, because the mean of its divisors is an integer number (14613993597312).

Almost surely, 2212664052652502 is an apocalyptic number.

212664052652502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212664052652502 is an abundant number, since it is smaller than the sum of its proper divisors (254983742461482).

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

212664052652502 is a wasteful number, since it uses less digits than its factorization.

212664052652502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25371516804.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 212664052652502 in words is "two hundred twelve trillion, six hundred sixty-four billion, fifty-two million, six hundred fifty-two thousand, five hundred two".

Divisors: 1 2 3 6 11 22 33 66 127 254 381 762 1397 2794 4191 8382 25371516661 50743033322 76114549983 152229099966 279086683271 558173366542 837260049813 1674520099626 3222182615947 6444365231894 9666547847841 19333095695682 35444008775417 70888017550834 106332026326251 212664052652502