Search a number
-
+
144641341988 = 2211131132237783
BaseRepresentation
bin1000011010110101001…
…0111011101000100100
3111211100022012111000022
42012231102323220210
54332211140420423
6150240341534312
713310230056413
oct2065522735044
9454308174008
10144641341988
11563842a3070
1224048114398
13108413258c0
147001c0b47a
153b6842ddc8
hex21ad4bba24

144641341988 has 48 divisors (see below), whose sum is σ = 300006274176. Its totient is φ = 60151580160.

The previous prime is 144641341973. The next prime is 144641341997. The reversal of 144641341988 is 889143146441.

It is a super-2 number, since 2×1446413419882 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054256 + ... + 1183527.

It is an arithmetic number, because the mean of its divisors is an integer number (6250130712).

Almost surely, 2144641341988 is an apocalyptic number.

It is an amenable number.

144641341988 is an abundant number, since it is smaller than the sum of its proper divisors (155364932188).

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

144641341988 is a wasteful number, since it uses less digits than its factorization.

144641341988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237924 (or 2237922 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The spelling of 144641341988 in words is "one hundred forty-four billion, six hundred forty-one million, three hundred forty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 113 143 226 286 452 572 1243 1469 2486 2938 4972 5876 16159 32318 64636 2237783 4475566 8951132 24615613 29091179 49231226 58182358 98462452 116364716 252869479 320002969 505738958 640005938 1011477916 1280011876 2781564269 3287303227 5563128538 6574606454 11126257076 13149212908 36160335497 72320670994 144641341988