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1206302113 = 79103148249
BaseRepresentation
bin100011111100110…
…1011010110100001
310010001212111102001
41013321223112201
54432303131423
6315411124001
741615253532
oct10771532641
93101774361
101206302113
11569a206a5
12297ba3601
13162bbcb43
14b62d0689
1570d82cad
hex47e6b5a1

1206302113 has 8 divisors (see below), whose sum is σ = 1233440000. Its totient is φ = 1179461088.

The previous prime is 1206302093. The next prime is 1206302129. The reversal of 1206302113 is 3112036021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206302113 - 25 = 1206302081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206302143) 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 in 7 ways as a sum of consecutive naturals, for example, 65988 + ... + 82261.

It is an arithmetic number, because the mean of its divisors is an integer number (154180000).

Almost surely, 21206302113 is an apocalyptic number.

It is an amenable number.

1206302113 is a deficient number, since it is larger than the sum of its proper divisors (27137887).

1206302113 is a wasteful number, since it uses less digits than its factorization.

1206302113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148431.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1206302113 is about 34731.8602006861. The cubic root of 1206302113 is about 1064.5155982934.

Adding to 1206302113 its reverse (3112036021), we get a palindrome (4318338134).

The spelling of 1206302113 in words is "one billion, two hundred six million, three hundred two thousand, one hundred thirteen".

Divisors: 1 79 103 8137 148249 11711671 15269647 1206302113