Search a number
-
+
154052254507 = 2313721572273
BaseRepresentation
bin1000111101111000111…
…0101101101100101011
3112201122011111101000211
42033132032231230223
510010444334121012
6154434242241551
714062362362224
oct2173616555453
9481564441024
10154052254507
115a373532a18
1225a339562b7
13116b0c684a8
147655a2824b
1540197276a7
hex23de3adb2b

154052254507 has 24 divisors (see below), whose sum is σ = 163035212256. Its totient is φ = 145283094528.

The previous prime is 154052254481. The next prime is 154052254513. The reversal of 154052254507 is 705452250451.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-154052254507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154052254507.

It is not an unprimeable number, because it can be changed into a prime (154052254537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67773723 + ... + 67775995.

It is an arithmetic number, because the mean of its divisors is an integer number (6793133844).

Almost surely, 2154052254507 is an apocalyptic number.

154052254507 is a deficient number, since it is larger than the sum of its proper divisors (8982957749).

154052254507 is a wasteful number, since it uses less digits than its factorization.

154052254507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 154052254507 in words is "one hundred fifty-four billion, fifty-two million, two hundred fifty-four thousand, five hundred seven".

Divisors: 1 23 137 157 2273 3151 3611 18769 21509 52279 311401 356861 431687 494707 2946733 7162223 8207803 42661937 48889957 67774859 981224551 1124469011 6697924109 154052254507