Search a number
-
+
123412442444 = 2230853110611
BaseRepresentation
bin111001011101111110…
…1000110110101001100
3102210112211021122111122
41302323331012311030
54010222041124234
6132410032540112
711626163311124
oct1627375066514
9383484248448
10123412442444
1148380119695
121bb026b1638
13b83a178695
145d8a631c84
15332486992e
hex1cbbf46d4c

123412442444 has 6 divisors (see below), whose sum is σ = 215971774284. Its totient is φ = 61706221220.

The previous prime is 123412442383. The next prime is 123412442453. The reversal of 123412442444 is 444244214321.

It is a super-2 number, since 2×1234124424442 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15426555302 + ... + 15426555309.

It is an arithmetic number, because the mean of its divisors is an integer number (35995295714).

Almost surely, 2123412442444 is an apocalyptic number.

It is an amenable number.

123412442444 is a deficient number, since it is larger than the sum of its proper divisors (92559331840).

123412442444 is a wasteful number, since it uses less digits than its factorization.

123412442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30853110615 (or 30853110613 counting only the distinct ones).

The product of its digits is 98304, while the sum is 35.

Adding to 123412442444 its reverse (444244214321), we get a palindrome (567656656765).

The spelling of 123412442444 in words is "one hundred twenty-three billion, four hundred twelve million, four hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 30853110611 61706221222 123412442444