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311100420224 = 27111871118093
BaseRepresentation
bin1001000011011110000…
…01111011000010000000
31002202000010022210122002
410201233001323002000
520044113201421344
6354530105403132
731322233640456
oct4415701730200
91082003283562
10311100420224
1110aa34093310
1250362a994a8
132344b7b60b9
14110b34b29d6
15815be8744e
hex486f07b080

311100420224 has 64 divisors (see below), whose sum is σ = 676480222080. Its totient is φ = 141332505600.

The previous prime is 311100420217. The next prime is 311100420259. The reversal of 311100420224 is 422024001113.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 311100420196 and 311100420205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575322 + ... + 2693414.

It is an arithmetic number, because the mean of its divisors is an integer number (10570003470).

Almost surely, 2311100420224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311100420224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338240111040).

311100420224 is an abundant number, since it is smaller than the sum of its proper divisors (365379801856).

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

311100420224 is a wasteful number, since it uses less digits than its factorization.

311100420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119989 (or 119977 counting only the distinct ones).

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

Adding to 311100420224 its reverse (422024001113), we get a palindrome (733124421337).

The spelling of 311100420224 in words is "three hundred eleven billion, one hundred million, four hundred twenty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 1871 3742 7484 14968 20581 29936 41162 59872 82324 118093 119744 164648 236186 239488 329296 472372 658592 944744 1299023 1317184 1889488 2598046 2634368 3778976 5196092 7557952 10392184 15115904 20784368 41568736 83137472 166274944 220952003 441904006 883808012 1767616024 2430472033 3535232048 4860944066 7070464096 9721888132 14140928192 19443776264 28281856384 38887552528 77775105056 155550210112 311100420224