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2320306212540 = 2235181213656189
BaseRepresentation
bin100001110000111101000…
…001110000111010111100
322012211010010111100121010
4201300331001300322330
5301003441342300130
64533533422435220
7326431231250301
oct41607501607274
98184103440533
102320306212540
11815044404118
12315835a32b10
1313aa5b332354
14804368270a8
15405532420b0
hex21c3d070ebc

2320306212540 has 48 divisors (see below), whose sum is σ = 6532751665440. Its totient is φ = 615329821440.

The previous prime is 2320306212503. The next prime is 2320306212541. The reversal of 2320306212540 is 452126030232.

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

It is a junction number, because it is equal to n+sod(n) for n = 2320306212498 and 2320306212507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320306212541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106817235 + ... + 106838954.

It is an arithmetic number, because the mean of its divisors is an integer number (136098993030).

Almost surely, 22320306212540 is an apocalyptic number.

2320306212540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320306212540 is an abundant number, since it is smaller than the sum of its proper divisors (4212445452900).

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

2320306212540 is a wasteful number, since it uses less digits than its factorization.

2320306212540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213656382 (or 213656380 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 2320306212540 in words is "two trillion, three hundred twenty billion, three hundred six million, two hundred twelve thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 362 543 724 905 1086 1810 2172 2715 3620 5430 10860 213656189 427312378 640968567 854624756 1068280945 1281937134 2136561890 2563874268 3204842835 4273123780 6409685670 12819371340 38671770209 77343540418 116015310627 154687080836 193358851045 232030621254 386717702090 464061242508 580076553135 773435404180 1160153106270 2320306212540