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712420345771 = 1743995460317
BaseRepresentation
bin10100101110111111000…
…11111100011110101011
32112002212210120100002021
422113133203330132223
543133014102031041
61303140440245311
7102320304011101
oct12273743743653
92462783510067
10712420345771
11255154792272
12b60a4170837
1352247717974
14266a4aa1c71
15137e96a9cd1
hexa5df8fc7ab

712420345771 has 8 divisors (see below), whose sum is σ = 756045718560. Its totient is φ = 668985894528.

The previous prime is 712420345757. The next prime is 712420345783. The reversal of 712420345771 is 177543024217.

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 712420345771 - 27 = 712420345643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712420645771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47722696 + ... + 47737621.

It is an arithmetic number, because the mean of its divisors is an integer number (94505714820).

Almost surely, 2712420345771 is an apocalyptic number.

712420345771 is a deficient number, since it is larger than the sum of its proper divisors (43625372789).

712420345771 is a wasteful number, since it uses less digits than its factorization.

712420345771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95460773.

The product of its (nonzero) digits is 329280, while the sum is 43.

Adding to 712420345771 its reverse (177543024217), we get a palindrome (889963369988).

The spelling of 712420345771 in words is "seven hundred twelve billion, four hundred twenty million, three hundred forty-five thousand, seven hundred seventy-one".

Divisors: 1 17 439 7463 95460317 1622825389 41907079163 712420345771