Search a number
-
+
24403400123140 = 2251220170006157
BaseRepresentation
bin1011000110001110110111…
…11111101110001100000100
310012101221102220122201200101
411203013123333232030010
511144311130412420030
6123522433420453444
75066042001345343
oct543073377561404
9105357386581611
1024403400123140
1178594731a0925
1228a16613aa284
1310802ccc8768c
146051b915db5a
152c4bc5eb87ca
hex1631dbfee304

24403400123140 has 12 divisors (see below), whose sum is σ = 51247140258636. Its totient is φ = 9761360049248.

The previous prime is 24403400123057. The next prime is 24403400123149. The reversal of 24403400123140 is 4132100430442.

It can be written as a sum of positive squares in 2 ways, for example, as 5297252083776 + 19106148039364 = 2301576^2 + 4371058^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24403400123099 and 24403400123108.

It is not an unprimeable number, because it can be changed into a prime (24403400123149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610085003059 + ... + 610085003098.

It is an arithmetic number, because the mean of its divisors is an integer number (4270595021553).

Almost surely, 224403400123140 is an apocalyptic number.

24403400123140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24403400123140 is an abundant number, since it is smaller than the sum of its proper divisors (26843740135496).

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

24403400123140 is a wasteful number, since it uses less digits than its factorization.

24403400123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220170006166 (or 1220170006164 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 24403400123140 its reverse (4132100430442), we get a palindrome (28535500553582).

The spelling of 24403400123140 in words is "twenty-four trillion, four hundred three billion, four hundred million, one hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1220170006157 2440340012314 4880680024628 6100850030785 12201700061570 24403400123140