Search a number
-
+
1302770113 = 4093185257
BaseRepresentation
bin100110110100110…
…1011000111000001
310100210101120121221
41031221223013001
510132002120423
6333134515041
744166235411
oct11551530701
93323346557
101302770113
1160941a517
12304365a81
13179b97ab8
14c5042641
157958ae5d
hex4da6b1c1

1302770113 has 4 divisors (see below), whose sum is σ = 1305955780. Its totient is φ = 1299584448.

The previous prime is 1302770087. The next prime is 1302770123. The reversal of 1302770113 is 3110772031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1262167729 + 40602384 = 35527^2 + 6372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302770113 - 225 = 1269215681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302770123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592220 + ... + 1593037.

It is an arithmetic number, because the mean of its divisors is an integer number (326488945).

Almost surely, 21302770113 is an apocalyptic number.

It is an amenable number.

1302770113 is a deficient number, since it is larger than the sum of its proper divisors (3185667).

1302770113 is an equidigital number, since it uses as much as digits as its factorization.

1302770113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185666.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 1302770113 is about 36093.9068680574. The cubic root of 1302770113 is about 1092.1675335122.

The spelling of 1302770113 in words is "one billion, three hundred two million, seven hundred seventy thousand, one hundred thirteen".

Divisors: 1 409 3185257 1302770113