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311449440959 = 11325247109169
BaseRepresentation
bin1001000100000111101…
…01010101001010111111
31002202220110001220001222
410202003311111022333
520100322024102314
6355024454223555
731334002365566
oct4420365251277
91082813056058
10311449440959
111100a30a97a8
125043b954bbb
13234a5bb8647
14111079a6bdd
15817c92ac8e
hex4883d552bf

311449440959 has 8 divisors (see below), whose sum is σ = 314220954240. Its totient is φ = 308678196736.

The previous prime is 311449440947. The next prime is 311449440961. The reversal of 311449440959 is 959044944113.

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 311449440959 - 212 = 311449436863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311449440959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311449440919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798327 + ... + 2907495.

It is an arithmetic number, because the mean of its divisors is an integer number (39277619280).

Almost surely, 2311449440959 is an apocalyptic number.

311449440959 is a deficient number, since it is larger than the sum of its proper divisors (2771513281).

311449440959 is a wasteful number, since it uses less digits than its factorization.

311449440959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134529.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 311449440959 in words is "three hundred eleven billion, four hundred forty-nine million, four hundred forty thousand, nine hundred fifty-nine".

Divisors: 1 113 25247 109169 2852911 12336097 2756189743 311449440959