Search a number
-
+
1475204640769 is a prime number
BaseRepresentation
bin10101011101111001000…
…011000111000000000001
312020000202112210101021101
4111131321003013000001
5143132204342001034
63045411043054401
7211402642360336
oct25357103070001
95200675711241
101475204640769
115196a3619a72
121b9aa3071401
13a915a400802
145158655298d
152859064b514
hex157790c7001

1475204640769 has 2 divisors, whose sum is σ = 1475204640770. Its totient is φ = 1475204640768.

The previous prime is 1475204640751. The next prime is 1475204640779. The reversal of 1475204640769 is 9670464025741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1360635930369 + 114568710400 = 1166463^2 + 338480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1475204640769 - 25 = 1475204640737 is a prime.

It is a super-2 number, since 2×14752046407692 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1475204640739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737602320384 + 737602320385.

It is an arithmetic number, because the mean of its divisors is an integer number (737602320385).

Almost surely, 21475204640769 is an apocalyptic number.

It is an amenable number.

1475204640769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475204640769 is an equidigital number, since it uses as much as digits as its factorization.

1475204640769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 1475204640769 in words is "one trillion, four hundred seventy-five billion, two hundred four million, six hundred forty thousand, seven hundred sixty-nine".