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60480081989 is a prime number
BaseRepresentation
bin111000010100111001…
…001101000001000101
312210002221221111102122
4320110321031001011
51442330400110424
643441214015325
74240516133435
oct702471150105
9183087844378
1060480081989
112371647a838
12b87a7a7545
13591b05a282
142cda5422c5
15188e98445e
hexe14e4d045

60480081989 has 2 divisors, whose sum is σ = 60480081990. Its totient is φ = 60480081988.

The previous prime is 60480081979. The next prime is 60480082031. The reversal of 60480081989 is 98918008406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33510231364 + 26969850625 = 183058^2 + 164225^2 .

It is a cyclic number.

It is not a de Polignac number, because 60480081989 - 24 = 60480081973 is a prime.

It is a super-2 number, since 2×604800819892 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60480081989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60480081979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30240040994 + 30240040995.

It is an arithmetic number, because the mean of its divisors is an integer number (30240040995).

Almost surely, 260480081989 is an apocalyptic number.

It is an amenable number.

60480081989 is a deficient number, since it is larger than the sum of its proper divisors (1).

60480081989 is an equidigital number, since it uses as much as digits as its factorization.

60480081989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 60480081989 in words is "sixty billion, four hundred eighty million, eighty-one thousand, nine hundred eighty-nine".