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1201012013 = 3189435307
BaseRepresentation
bin100011110010101…
…1111110100101101
310002200220201202102
41013211133310231
54424424341023
6315101504445
741522301515
oct10745376455
93080821672
101201012013
11566a38113
12296272125
13161a89cc6
14b5714845
157068a628
hex4795fd2d

1201012013 has 8 divisors (see below), whose sum is σ = 1253687040. Its totient is φ = 1149207840.

The previous prime is 1201011991. The next prime is 1201012027. The reversal of 1201012013 is 3102101021.

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 1201012013 - 214 = 1200995629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201011985 and 1201012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201012093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214895 + ... + 220412.

It is an arithmetic number, because the mean of its divisors is an integer number (156710880).

Almost surely, 21201012013 is an apocalyptic number.

It is an amenable number.

1201012013 is a deficient number, since it is larger than the sum of its proper divisors (52675027).

1201012013 is an equidigital number, since it uses as much as digits as its factorization.

1201012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435427.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201012013 is about 34655.6202224113. The cubic root of 1201012013 is about 1062.9572142133.

Adding to 1201012013 its reverse (3102101021), we get a palindrome (4303113034).

The spelling of 1201012013 in words is "one billion, two hundred one million, twelve thousand, thirteen".

Divisors: 1 31 89 2759 435307 13494517 38742323 1201012013