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22403243031420 = 2235834498643179
BaseRepresentation
bin1010001100000001010010…
…10101111011101101111100
32221022201200112012210101110
411012000221111323231330
510414023320204001140
6115351524024442020
74501403150523036
oct506005125735574
987281615183343
1022403243031420
117158186704779
122619a94919310
13c66803010534
1457647389ac56
1528cb5e30a380
hex14602957bb7c

22403243031420 has 48 divisors (see below), whose sum is σ = 63484852556160. Its totient is φ = 5902219849536.

The previous prime is 22403243031413. The next prime is 22403243031437. The reversal of 22403243031420 is 2413034230422.

It is a super-2 number, since 2×224032430314202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249316610 + ... + 2249326569.

It is an arithmetic number, because the mean of its divisors is an integer number (1322601094920).

Almost surely, 222403243031420 is an apocalyptic number.

22403243031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22403243031420 is an abundant number, since it is smaller than the sum of its proper divisors (41081609524740).

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

22403243031420 is a wasteful number, since it uses less digits than its factorization.

22403243031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498643274 (or 4498643272 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22403243031420 its reverse (2413034230422), we get a palindrome (24816277261842).

The spelling of 22403243031420 in words is "twenty-two trillion, four hundred three billion, two hundred forty-three million, thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 4498643179 8997286358 13495929537 17994572716 22493215895 26991859074 44986431790 53983718148 67479647685 89972863580 134959295370 269918590740 373387383857 746774767714 1120162151571 1493549535428 1866936919285 2240324303142 3733873838570 4480648606284 5600810757855 7467747677140 11201621515710 22403243031420