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1300120111 = 13116360887
BaseRepresentation
bin100110101111110…
…0100001000101111
310100121101221111201
41031133210020233
510130312320421
6333002030331
744134560433
oct11537441057
93317357451
101300120111
1160797a534
123034a83a7
1317947a854
14c49529c3
1579215b91
hex4d7e422f

1300120111 has 8 divisors (see below), whose sum is σ = 1318103424. Its totient is φ = 1282259160.

The previous prime is 1300120013. The next prime is 1300120123. The reversal of 1300120111 is 1110210031.

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 1300120111 - 213 = 1300111919 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 (1300120181) 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, 9091 + ... + 51796.

It is an arithmetic number, because the mean of its divisors is an integer number (164762928).

Almost surely, 21300120111 is an apocalyptic number.

1300120111 is a deficient number, since it is larger than the sum of its proper divisors (17983313).

1300120111 is a wasteful number, since it uses less digits than its factorization.

1300120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61181.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1300120111 is about 36057.1783560500. The cubic root of 1300120111 is about 1091.4264944082.

Adding to 1300120111 its reverse (1110210031), we get a palindrome (2410330142).

The spelling of 1300120111 in words is "one billion, three hundred million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 131 163 21353 60887 7976197 9924581 1300120111