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4123223120 = 24551540289
BaseRepresentation
bin1111010111000011…
…0110010001010000
3101122100120102210102
43311300312101100
531421021114440
61521050551532
7204114550442
oct36560662120
911570512712
104123223120
1118264a7615
12970a385a8
135093066c3
142b186c492
15191eb5b15
hexf5c36450

4123223120 has 20 divisors (see below), whose sum is σ = 9586493940. Its totient is φ = 1649289216.

The previous prime is 4123223113. The next prime is 4123223147. The reversal of 4123223120 is 213223214.

It can be written as a sum of positive squares in 2 ways, for example, as 1574184976 + 2549038144 = 39676^2 + 50488^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4123223092 and 4123223101.

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, 25770065 + ... + 25770224.

It is an arithmetic number, because the mean of its divisors is an integer number (479324697).

Almost surely, 24123223120 is an apocalyptic number.

4123223120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4123223120 is an abundant number, since it is smaller than the sum of its proper divisors (5463270820).

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

4123223120 is a wasteful number, since it uses less digits than its factorization.

4123223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51540302 (or 51540296 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4123223120 is about 64212.3284112950. The cubic root of 4123223120 is about 1603.5368529918.

Adding to 4123223120 its reverse (213223214), we get a palindrome (4336446334).

The spelling of 4123223120 in words is "four billion, one hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 51540289 103080578 206161156 257701445 412322312 515402890 824644624 1030805780 2061611560 4123223120