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1197663485 = 51209719801
BaseRepresentation
bin100011101100010…
…1110010011111101
310002110121121102212
41013120232103331
54423100212420
6314502030205
741451654164
oct10730562375
93073547385
101197663485
11565060337
12295118365
13161186b25
14b50c23db
15702283c5
hex4762e4fd

1197663485 has 8 divisors (see below), whose sum is σ = 1437387576. Its totient is φ = 958003200.

The previous prime is 1197663469. The next prime is 1197663487. The reversal of 1197663485 is 5843667911.

It can be written as a sum of positive squares in 4 ways, for example, as 160630276 + 1037033209 = 12674^2 + 32203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1197663485 - 24 = 1197663469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197663487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50585 + ... + 70385.

It is an arithmetic number, because the mean of its divisors is an integer number (179673447).

Almost surely, 21197663485 is an apocalyptic number.

It is an amenable number.

1197663485 is a deficient number, since it is larger than the sum of its proper divisors (239724091).

1197663485 is a wasteful number, since it uses less digits than its factorization.

1197663485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31903.

The product of its digits is 1088640, while the sum is 50.

The square root of 1197663485 is about 34607.2750299702. The cubic root of 1197663485 is about 1061.9684217034.

The spelling of 1197663485 in words is "one billion, one hundred ninety-seven million, six hundred sixty-three thousand, four hundred eighty-five".

Divisors: 1 5 12097 19801 60485 99005 239532697 1197663485