Search a number
-
+
154243004120 = 23529132968107
BaseRepresentation
bin1000111110100110011…
…0010111011011011000
3112202010110102110022022
42033221212113123120
510011342202112440
6154505214514012
714100166621442
oct2175146273330
9482113373268
10154243004120
115a461177a27
1225a87805908
131171163419a
1476730bd492
15402b355cb5
hex23e99976d8

154243004120 has 32 divisors (see below), whose sum is σ = 359013891600. Its totient is φ = 59569711488.

The previous prime is 154243004107. The next prime is 154243004129. The reversal of 154243004120 is 21400342451.

154243004120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154243004120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154243004129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66482894 + ... + 66485213.

Almost surely, 2154243004120 is an apocalyptic number.

154243004120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154243004120 is an abundant number, since it is smaller than the sum of its proper divisors (204770887480).

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

154243004120 is a wasteful number, since it uses less digits than its factorization.

154243004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132968147 (or 132968143 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 154243004120 its reverse (21400342451), we get a palindrome (175643346571).

The spelling of 154243004120 in words is "one hundred fifty-four billion, two hundred forty-three million, four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 132968107 265936214 531872428 664840535 1063744856 1329681070 2659362140 3856075103 5318724280 7712150206 15424300412 19280375515 30848600824 38560751030 77121502060 154243004120