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2231003030240 = 25557259243521
BaseRepresentation
bin100000011101110010001…
…001001010001011100000
321220021121102210122122202
4200131302021022023200
5243023043233431430
64424524133352332
7320120222602235
oct40356211121340
97807542718582
102231003030240
11790188059526
123004724986a8
131324c89a6b4a
1479da42b578c
153d078159d45
hex2077224a2e0

2231003030240 has 48 divisors (see below), whose sum is σ = 5270858354160. Its totient is φ = 892381962240.

The previous prime is 2231003030233. The next prime is 2231003030257. The reversal of 2231003030240 is 420303001322.

It is a super-3 number, since 3×22310030302403 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9039680 + ... + 9283200.

It is an arithmetic number, because the mean of its divisors is an integer number (109809549045).

Almost surely, 22231003030240 is an apocalyptic number.

2231003030240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231003030240 is an abundant number, since it is smaller than the sum of its proper divisors (3039855323920).

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

2231003030240 is a wasteful number, since it uses less digits than its factorization.

2231003030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300795 (or 300787 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2231003030240 its reverse (420303001322), we get a palindrome (2651306031562).

The spelling of 2231003030240 in words is "two trillion, two hundred thirty-one billion, three million, thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 57259 114518 229036 243521 286295 458072 487042 572590 916144 974084 1145180 1217605 1832288 1948168 2290360 2435210 3896336 4580720 4870420 7792672 9161440 9740840 19481680 38963360 13943768939 27887537878 55775075756 69718844695 111550151512 139437689390 223100303024 278875378780 446200606048 557750757560 1115501515120 2231003030240