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56765434343 = 531071045931
BaseRepresentation
bin110100110111011110…
…111100100111100111
312102112002011211211012
4310313132330213213
51412223422344333
642024440132435
74046462142062
oct646736744747
9172462154735
1056765434343
112208a676002
12b00276711b
1354785a8507
142a6706b8d9
1517237c7e48
hexd377bc9e7

56765434343 has 4 divisors (see below), whose sum is σ = 57836480328. Its totient is φ = 55694388360.

The previous prime is 56765434339. The next prime is 56765434367. The reversal of 56765434343 is 34343456765.

56765434343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 56765434343 - 22 = 56765434339 is a prime.

It is a super-2 number, since 2×567654343432 (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56765434291 and 56765434300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56765434393) 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, 535522913 + ... + 535523018.

It is an arithmetic number, because the mean of its divisors is an integer number (14459120082).

Almost surely, 256765434343 is an apocalyptic number.

56765434343 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

56765434343 is a deficient number, since it is larger than the sum of its proper divisors (1071045985).

56765434343 is a wasteful number, since it uses less digits than its factorization.

56765434343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071045984.

The product of its digits is 10886400, while the sum is 50.

The spelling of 56765434343 in words is "fifty-six billion, seven hundred sixty-five million, four hundred thirty-four thousand, three hundred forty-three".

Divisors: 1 53 1071045931 56765434343