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182938338420 = 223510939770459
BaseRepresentation
bin1010101001011111111…
…0011000010001110100
3122111012021202110210120
42222113332120101310
510444124203312140
6220012443251540
716134245135265
oct2522776302164
9574167673716
10182938338420
1170646a17342
122b555819bb0
1314335619736
148bd615096c
154b5a66c1d0
hex2a97f98474

182938338420 has 96 divisors (see below), whose sum is σ = 518236118400. Its totient is φ = 48213563904.

The previous prime is 182938338403. The next prime is 182938338421. The reversal of 182938338420 is 24833839281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182938338421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2561151 + ... + 2631609.

It is an arithmetic number, because the mean of its divisors is an integer number (5398292900).

Almost surely, 2182938338420 is an apocalyptic number.

182938338420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 182938338420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259118059200).

182938338420 is an abundant number, since it is smaller than the sum of its proper divisors (335297779980).

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

182938338420 is a wasteful number, since it uses less digits than its factorization.

182938338420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70977 (or 70975 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 182938338420 in words is "one hundred eighty-two billion, nine hundred thirty-eight million, three hundred thirty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 397 436 545 654 794 1090 1191 1308 1588 1635 1985 2180 2382 3270 3970 4764 5955 6540 7940 11910 23820 43273 70459 86546 129819 140918 173092 211377 216365 259638 281836 352295 422754 432730 519276 649095 704590 845508 865460 1056885 1298190 1409180 2113770 2596380 4227540 7680031 15360062 23040093 27972223 30720124 38400155 46080186 55944446 76800310 83916669 92160372 111888892 115200465 139861115 153600620 167833338 230400930 279722230 335666676 419583345 460801860 559444460 839166690 1678333380 3048972307 6097944614 9146916921 12195889228 15244861535 18293833842 30489723070 36587667684 45734584605 60979446140 91469169210 182938338420