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1300220387 is a prime number
BaseRepresentation
bin100110101111111…
…1100100111100011
310100121121001001122
41031133330213203
510130324023022
6333004122455
744135455664
oct11537744743
93317531048
101300220387
11607a38904
1230353642b
131794b439b
14c497b36b
1579235742
hex4d7fc9e3

1300220387 has 2 divisors, whose sum is σ = 1300220388. Its totient is φ = 1300220386.

The previous prime is 1300220357. The next prime is 1300220431. The reversal of 1300220387 is 7830220031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300220387 - 26 = 1300220323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300220357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650110193 + 650110194.

It is an arithmetic number, because the mean of its divisors is an integer number (650110194).

Almost surely, 21300220387 is an apocalyptic number.

1300220387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300220387 is an equidigital number, since it uses as much as digits as its factorization.

1300220387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1300220387 is about 36058.5688429255. The cubic root of 1300220387 is about 1091.4545536284.

The spelling of 1300220387 in words is "one billion, three hundred million, two hundred twenty thousand, three hundred eighty-seven".