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65092917061 = 614021265381
BaseRepresentation
bin111100100111110101…
…110001011101000101
320020000102210210120001
4330213311301131011
52031302241321221
645523035041301
74463030444254
oct744765613505
9206012723501
1065092917061
1125673289027
12107475a0231
1361a491c693
14321702079b
151a5e910391
hexf27d71745

65092917061 has 8 divisors (see below), whose sum is σ = 66176717048. Its totient is φ = 64009656000.

The previous prime is 65092917059. The next prime is 65092917143. The reversal of 65092917061 is 16071929056.

It can be written as a sum of positive squares in 4 ways, for example, as 650556036 + 64442361025 = 25506^2 + 253855^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65092917061 - 21 = 65092917059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65092917011) by changing a digit.

It is a Zeisel number, with parameters (66, -5).

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112591 + ... + 377971.

It is an arithmetic number, because the mean of its divisors is an integer number (8272089631).

Almost surely, 265092917061 is an apocalyptic number.

65092917061 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

65092917061 is a deficient number, since it is larger than the sum of its proper divisors (1083799987).

65092917061 is a wasteful number, since it uses less digits than its factorization.

65092917061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269463.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 65092917061 in words is "sixty-five billion, ninety-two million, nine hundred seventeen thousand, sixty-one".

Divisors: 1 61 4021 245281 265381 16188241 1067097001 65092917061