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311024241020 = 22515551212051
BaseRepresentation
bin1001000011010100111…
…11010100100101111100
31002201210210222111102002
410201222133110211330
520043434201203040
6354514344521432
731320320266613
oct4415237244574
91081723874362
10311024241020
1110a9a5091799
1250341480278
1323438a92b4c
14110a732287a
15815543aa15
hex486a7d497c

311024241020 has 12 divisors (see below), whose sum is σ = 653150906184. Its totient is φ = 124409696400.

The previous prime is 311024241019. The next prime is 311024241049. The reversal of 311024241020 is 20142420113.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 15551212051 = 311024241020 / (3 + 1 + 1 + 0 + 2 + 4 + 2 + 4 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 311024240983 and 311024241001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7775606006 + ... + 7775606045.

It is an arithmetic number, because the mean of its divisors is an integer number (54429242182).

Almost surely, 2311024241020 is an apocalyptic number.

It is an amenable number.

311024241020 is an abundant number, since it is smaller than the sum of its proper divisors (342126665164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311024241020 is a wasteful number, since it uses less digits than its factorization.

311024241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551212060 (or 15551212058 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 311024241020 its reverse (20142420113), we get a palindrome (331166661133).

The spelling of 311024241020 in words is "three hundred eleven billion, twenty-four million, two hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 15551212051 31102424102 62204848204 77756060255 155512120510 311024241020