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311444304019 = 5312174828519
BaseRepresentation
bin1001000100000111000…
…01101111000010010011
31002202220002101220111221
410202003201233002103
520100314220212034
6355024152145511
731333610622232
oct4420341570223
91082802356457
10311444304019
111100a02102a2
125043a098297
13234a4b0a434
141110702ab19
15817c263bb4
hex488386f093

311444304019 has 8 divisors (see below), whose sum is σ = 317581417440. Its totient is φ = 305316850176.

The previous prime is 311444304007. The next prime is 311444304023. The reversal of 311444304019 is 910403444113.

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 311444304019 - 227 = 311310086291 is a prime.

It is a super-2 number, since 2×3114443040192 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311444304029) 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, 2349759 + ... + 2478760.

It is an arithmetic number, because the mean of its divisors is an integer number (39697677180).

Almost surely, 2311444304019 is an apocalyptic number.

311444304019 is a deficient number, since it is larger than the sum of its proper divisors (6137113421).

311444304019 is a wasteful number, since it uses less digits than its factorization.

311444304019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829789.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 311444304019 in words is "three hundred eleven billion, four hundred forty-four million, three hundred four thousand, nineteen".

Divisors: 1 53 1217 64501 4828519 255911507 5876307623 311444304019