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67819852101 = 397233057911
BaseRepresentation
bin111111001010011000…
…001101000101000101
320111001111000110012010
4333022120031011011
52102343340231401
651053410444433
74620432142221
oct771230150505
9214044013163
1067819852101
11268425a1751
1211188893719
13651a877001
1433d5265781
151b6e015ed6
hexfca60d145

67819852101 has 8 divisors (see below), whose sum is σ = 91358701504. Its totient is φ = 44747118720.

The previous prime is 67819852097. The next prime is 67819852141. The reversal of 67819852101 is 10125891876.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67819852101 - 22 = 67819852097 is a prime.

It is a super-2 number, since 2×678198521012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67819852141) 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 7 ways as a sum of consecutive naturals, for example, 116528665 + ... + 116529246.

It is an arithmetic number, because the mean of its divisors is an integer number (11419837688).

Almost surely, 267819852101 is an apocalyptic number.

It is an amenable number.

67819852101 is a deficient number, since it is larger than the sum of its proper divisors (23538849403).

67819852101 is a wasteful number, since it uses less digits than its factorization.

67819852101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233058011.

The product of its (nonzero) digits is 241920, while the sum is 48.

It can be divided in two parts, 6781985 and 2101, that added together give a triangular number (6784086 = T3683).

The spelling of 67819852101 in words is "sixty-seven billion, eight hundred nineteen million, eight hundred fifty-two thousand, one hundred one".

Divisors: 1 3 97 291 233057911 699173733 22606617367 67819852101