Search a number
-
+
23053144305450 = 23527612811280869
BaseRepresentation
bin1010011110111011110100…
…11110100010111100101010
310000121212012021010012221010
411033131322132202330222
511010200314420233300
6121010245052324350
74566351256306020
oct517357236427452
9100555167105833
1023053144305450
117388868a6a006
122703a2b4736b6
13cb2b96121b0c
14599ac72d2710
1529e9ea01aa50
hex14f77a7a2f2a

23053144305450 has 192 divisors, whose sum is σ = 66646719694080. Its totient is φ = 5164459776000.

The previous prime is 23053144305439. The next prime is 23053144305491. The reversal of 23053144305450 is 5450344135032.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23053144305399 and 23053144305408.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17357616 + ... + 18638484.

It is an arithmetic number, because the mean of its divisors is an integer number (347118331740).

Almost surely, 223053144305450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23053144305450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33323359847040).

23053144305450 is an abundant number, since it is smaller than the sum of its proper divisors (43593575388630).

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

23053144305450 is a wasteful number, since it uses less digits than its factorization.

23053144305450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281233 (or 1281228 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 23053144305450 in words is "twenty-three trillion, fifty-three billion, one hundred forty-four million, three hundred five thousand, four hundred fifty".