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1204301313 = 32157852301
BaseRepresentation
bin100011111001000…
…0010111000000001
310002221002211211100
41013302002320001
54431300120223
6315300205013
741562251355
oct10762027001
93087084740
101204301313
11568884446
12297399769
1316266c237
14b5d2d465
1570ada043
hex47c82e01

1204301313 has 12 divisors (see below), whose sum is σ = 1750628308. Its totient is φ = 797752800.

The previous prime is 1204301311. The next prime is 1204301353. The reversal of 1204301313 is 3131034021.

It can be written as a sum of positive squares in 2 ways, for example, as 670136769 + 534164544 = 25887^2 + 23112^2 .

It is not a de Polignac number, because 1204301313 - 21 = 1204301311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204301311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424738 + ... + 427563.

Almost surely, 21204301313 is an apocalyptic number.

It is an amenable number.

1204301313 is a deficient number, since it is larger than the sum of its proper divisors (546326995).

1204301313 is a wasteful number, since it uses less digits than its factorization.

1204301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852464 (or 852461 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1204301313 is about 34703.0447223295. The cubic root of 1204301313 is about 1063.9267293774.

Adding to 1204301313 its reverse (3131034021), we get a palindrome (4335335334).

The spelling of 1204301313 in words is "one billion, two hundred four million, three hundred one thousand, three hundred thirteen".

Divisors: 1 3 9 157 471 1413 852301 2556903 7670709 133811257 401433771 1204301313