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61276397041 is a prime number
BaseRepresentation
bin111001000100010110…
…111001110111110001
312212011110100111022201
4321010112321313301
52000443224201131
644052221503201
74266325531606
oct710426716761
9185143314281
1061276397041
1123a94a24052
12ba61411b01
135a1701cb02
142d741cc6ad
1518d982e761
hexe445b9df1

61276397041 has 2 divisors, whose sum is σ = 61276397042. Its totient is φ = 61276397040.

The previous prime is 61276397033. The next prime is 61276397053. The reversal of 61276397041 is 14079367216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40618371600 + 20658025441 = 201540^2 + 143729^2 .

It is a cyclic number.

It is not a de Polignac number, because 61276397041 - 23 = 61276397033 is a prime.

It is a super-3 number, since 3×612763970413 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61276396982 and 61276397000.

It is not a weakly prime, because it can be changed into another prime (61276392041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30638198520 + 30638198521.

It is an arithmetic number, because the mean of its divisors is an integer number (30638198521).

Almost surely, 261276397041 is an apocalyptic number.

It is an amenable number.

61276397041 is a deficient number, since it is larger than the sum of its proper divisors (1).

61276397041 is an equidigital number, since it uses as much as digits as its factorization.

61276397041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 61276397041 in words is "sixty-one billion, two hundred seventy-six million, three hundred ninety-seven thousand, forty-one".