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830447718380431 = 471031222011403791
BaseRepresentation
bin1011110011010010011010110…
…1010000100011001110001111
311000220101000201100100020201221
42330310212231100203032033
51332322023411401133211
612102114225355544211
7336630603423601654
oct27464465520431617
94026330640306657
10830447718380431
11220673999331188
12791823b875b067
132984bb649a7b38
141090dc53ac9c2b
156601cb6d33c71
hex2f349ad42338f

830447718380431 has 16 divisors (see below), whose sum is σ = 856358580400128. Its totient is φ = 804880403496000.

The previous prime is 830447718380389. The next prime is 830447718380453. The reversal of 830447718380431 is 134083817744038.

It is a happy number.

It is not a de Polignac number, because 830447718380431 - 237 = 830310279426959 is a prime.

It is a super-2 number, since 2×8304477183804312 (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830447718380431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830447718390431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590873146 + ... + 592276936.

It is an arithmetic number, because the mean of its divisors is an integer number (53522411275008).

Almost surely, 2830447718380431 is an apocalyptic number.

830447718380431 is a deficient number, since it is larger than the sum of its proper divisors (25910862019697).

830447718380431 is a wasteful number, since it uses less digits than its factorization.

830447718380431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526142.

The product of its (nonzero) digits is 43352064, while the sum is 61.

The spelling of 830447718380431 in words is "eight hundred thirty trillion, four hundred forty-seven billion, seven hundred eighteen million, three hundred eighty thousand, four hundred thirty-one".

Divisors: 1 47 103 4841 122201 1403791 5743447 12586703 65978177 144590473 591575041 6795752231 171544663991 8062599207577 17669100391073 830447718380431