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1260788479 is a prime number
BaseRepresentation
bin100101100100110…
…0001101011111111
310020212101200122121
41023021201223333
510040230212404
6325035023411
743146345106
oct11311415377
93225350577
101260788479
11597756055
122b229ab67
131712892b2
14bd63503d
1575a46e54
hex4b261aff

1260788479 has 2 divisors, whose sum is σ = 1260788480. Its totient is φ = 1260788478.

The previous prime is 1260788461. The next prime is 1260788591. The reversal of 1260788479 is 9748870621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1260788479 - 27 = 1260788351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260788449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630394239 + 630394240.

It is an arithmetic number, because the mean of its divisors is an integer number (630394240).

Almost surely, 21260788479 is an apocalyptic number.

1260788479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260788479 is an equidigital number, since it uses as much as digits as its factorization.

1260788479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 1260788479 is about 35507.5834012961. The cubic root of 1260788479 is about 1080.3075481575.

The spelling of 1260788479 in words is "one billion, two hundred sixty million, seven hundred eighty-eight thousand, four hundred seventy-nine".