Search a number
-
+
3123022120 = 235149523997
BaseRepresentation
bin1011101000100101…
…1000100100101000
322001122111221221221
42322021120210220
522343443201440
61233521111424
7140251151521
oct27211304450
98048457857
103123022120
111362956819
12731a88574
133aa028baa
14218aab848
15134294d4a
hexba258928

3123022120 has 32 divisors (see below), whose sum is σ = 7073973000. Its totient is φ = 1240822528.

The previous prime is 3123022081. The next prime is 3123022141. The reversal of 3123022120 is 212203213.

It can be written as a sum of positive squares in 4 ways, for example, as 2425956516 + 697065604 = 49254^2 + 26402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3123022094 and 3123022103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256039 + ... + 267958.

Almost surely, 23123022120 is an apocalyptic number.

It is an amenable number.

3123022120 is an abundant number, since it is smaller than the sum of its proper divisors (3950950880).

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

3123022120 is a wasteful number, since it uses less digits than its factorization.

3123022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524157 (or 524153 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3123022120 is about 55884.0059408772. The cubic root of 3123022120 is about 1461.7003583454.

Adding to 3123022120 its reverse (212203213), we get a palindrome (3335225333).

The spelling of 3123022120 in words is "three billion, one hundred twenty-three million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 523997 1047994 2095988 2619985 4191976 5239970 10479940 20959880 78075553 156151106 312302212 390377765 624604424 780755530 1561511060 3123022120