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106632813882181 = 123778615400653
BaseRepresentation
bin11000001111101101100010…
…111111100010101101000101
3111222112222221010211001201211
4120033231202333202231011
5102434033000323212211
61014442234411251421
731313652350664436
oct3017554277425505
9458488833731654
10106632813882181
1130a817a4585514
12bb621a1749b71
13476657b476172
141c490accc948d
15c4db6e27be21
hex60fb62fe2b45

106632813882181 has 4 divisors (see below), whose sum is σ = 106641429295212. Its totient is φ = 106624198469152.

The previous prime is 106632813882163. The next prime is 106632813882187. The reversal of 106632813882181 is 181288318236601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68476187701156 + 38156626181025 = 8275034^2 + 6177105^2 .

It is a cyclic number.

It is not a de Polignac number, because 106632813882181 - 227 = 106632679664453 is a prime.

It is a super-2 number, since 2×1066328138821812 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106632813882187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307687950 + ... + 4307712703.

It is an arithmetic number, because the mean of its divisors is an integer number (26660357323803).

Almost surely, 2106632813882181 is an apocalyptic number.

It is an amenable number.

106632813882181 is a deficient number, since it is larger than the sum of its proper divisors (8615413031).

106632813882181 is an equidigital number, since it uses as much as digits as its factorization.

106632813882181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615413030.

The product of its (nonzero) digits is 5308416, while the sum is 58.

The spelling of 106632813882181 in words is "one hundred six trillion, six hundred thirty-two billion, eight hundred thirteen million, eight hundred eighty-two thousand, one hundred eighty-one".

Divisors: 1 12377 8615400653 106632813882181