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2431304322220 = 225192418213311
BaseRepresentation
bin100011011000010101000…
…001111100110010101100
322121102121210000120001101
4203120111001330302230
5304313302401302340
65100531545252444
7340440662516434
oct43302501746254
98542553016041
102431304322220
118581239a6864
12333252a94124
1314836a556ba7
14859663c52c4
154339cc95c9a
hex2361507ccac

2431304322220 has 72 divisors (see below), whose sum is σ = 5520035582208. Its totient is φ = 898864646400.

The previous prime is 2431304322217. The next prime is 2431304322257. The reversal of 2431304322220 is 222234031342.

It is a super-2 number, since 2×24313043222202 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3810636 + ... + 4402675.

It is an arithmetic number, because the mean of its divisors is an integer number (76667160864).

Almost surely, 22431304322220 is an apocalyptic number.

2431304322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431304322220 is an abundant number, since it is smaller than the sum of its proper divisors (3088731259988).

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

2431304322220 is a wasteful number, since it uses less digits than its factorization.

2431304322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213399 (or 8213378 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2431304322220 its reverse (222234031342), we get a palindrome (2653538353562).

The spelling of 2431304322220 in words is "two trillion, four hundred thirty-one billion, three hundred four million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 361 380 410 722 779 820 1444 1558 1805 3116 3610 3895 7220 7790 14801 15580 29602 59204 74005 148010 296020 8213311 16426622 32853244 41066555 82133110 156052909 164266220 312105818 336745751 624211636 673491502 780264545 1346983004 1560529090 1683728755 2965005271 3121058180 3367457510 5930010542 6398169269 6734915020 11860021084 12796338538 14825026355 25592677076 29650052710 31990846345 59300105420 63981692690 121565216111 127963385380 243130432222 486260864444 607826080555 1215652161110 2431304322220