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2313012220 = 225532182087
BaseRepresentation
bin1000100111011101…
…1100001111111100
312222012100012021021
42021313130033330
514214112342340
61021303513524
7111214164601
oct21167341774
95865305237
102313012220
11a876a9352
125467588a4
132ab27caac
1417d2986a8
15d80e1e4a
hex89ddc3fc

2313012220 has 24 divisors (see below), whose sum is σ = 4948975584. Its totient is φ = 907747776.

The previous prime is 2313012209. The next prime is 2313012271. The reversal of 2313012220 is 222103132.

It is a junction number, because it is equal to n+sod(n) for n = 2313012194 and 2313012203.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1089984 + ... + 1092103.

It is an arithmetic number, because the mean of its divisors is an integer number (206207316).

Almost surely, 22313012220 is an apocalyptic number.

2313012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313012220 is an abundant number, since it is smaller than the sum of its proper divisors (2635963364).

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

2313012220 is a wasteful number, since it uses less digits than its factorization.

2313012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182149 (or 2182147 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2313012220 is about 48093.7856692525. The cubic root of 2313012220 is about 1322.4907478957.

Adding to 2313012220 its reverse (222103132), we get a palindrome (2535115352).

The spelling of 2313012220 in words is "two billion, three hundred thirteen million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 2182087 4364174 8728348 10910435 21820870 43641740 115650611 231301222 462602444 578253055 1156506110 2313012220