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1144441411220 = 225434728313741
BaseRepresentation
bin10000101001110110000…
…001100001011010010100
311001102000002102101001002
4100221312001201122110
5122222304000124340
62233425451122432
7145453216330052
oct20516601413224
94042002371032
101144441411220
1140139a383018
12165973143418
1383bc705c7c3
143d56988d1d2
151eb82351715
hex10a76061694

1144441411220 has 48 divisors (see below), whose sum is σ = 2511542170368. Its totient is φ = 437617165440.

The previous prime is 1144441411207. The next prime is 1144441411247. The reversal of 1144441411220 is 221141444411.

It is a super-2 number, since 2×11444414112202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 14116451 + ... + 14197290.

It is an arithmetic number, because the mean of its divisors is an integer number (52323795216).

Almost surely, 21144441411220 is an apocalyptic number.

1144441411220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144441411220 is an abundant number, since it is smaller than the sum of its proper divisors (1367100759148).

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

1144441411220 is a wasteful number, since it uses less digits than its factorization.

1144441411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28313840 (or 28313838 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 1144441411220 its reverse (221141444411), we get a palindrome (1365582855631).

The spelling of 1144441411220 in words is "one trillion, one hundred forty-four billion, four hundred forty-one million, four hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 47 86 94 172 188 215 235 430 470 860 940 2021 4042 8084 10105 20210 40420 28313741 56627482 113254964 141568705 283137410 566274820 1217490863 1330745827 2434981726 2661491654 4869963452 5322983308 6087454315 6653729135 12174908630 13307458270 24349817260 26614916540 57222070561 114444141122 228888282244 286110352805 572220705610 1144441411220