Search a number
-
+
144142626520 = 23513726303399
BaseRepresentation
bin1000011000111110010…
…0011110111011011000
3111210001112210010000001
42012033210132323120
54330201003022040
6150115044422344
713261663052434
oct2061744367330
9453045703001
10144142626520
1156148833822
1223b290a79b4
1310791c003a9
146d958ab9c4
153b3976b59a
hex218f91eed8

144142626520 has 32 divisors (see below), whose sum is σ = 326688228000. Its totient is φ = 57236194048.

The previous prime is 144142626499. The next prime is 144142626539. The reversal of 144142626520 is 25626241441.

It is a self number, because there is not a number n which added to its sum of digits gives 144142626520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13146220 + ... + 13157179.

It is an arithmetic number, because the mean of its divisors is an integer number (10209007125).

Almost surely, 2144142626520 is an apocalyptic number.

144142626520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144142626520 is an abundant number, since it is smaller than the sum of its proper divisors (182545601480).

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

144142626520 is a wasteful number, since it uses less digits than its factorization.

144142626520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26303547 (or 26303543 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 144142626520 its reverse (25626241441), we get a palindrome (169768867961).

The spelling of 144142626520 in words is "one hundred forty-four billion, one hundred forty-two million, six hundred twenty-six thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 137 274 548 685 1096 1370 2740 5480 26303399 52606798 105213596 131516995 210427192 263033990 526067980 1052135960 3603565663 7207131326 14414262652 18017828315 28828525304 36035656630 72071313260 144142626520