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2313221000022 = 2321392081444281
BaseRepresentation
bin100001101010010110101…
…101110100101101010110
322012010211100102021012200
4201222112231310231112
5300344434034000042
64530402402025330
7326060526035112
oct41522655645526
98163740367180
102313221000022
11812038a49089
12314399048246
1313a19c4925ca
147dd63848742
154028b1e4c4c
hex21a96b74b56

2313221000022 has 48 divisors (see below), whose sum is σ = 5050473377040. Its totient is φ = 765156787200.

The previous prime is 2313221000003. The next prime is 2313221000039. The reversal of 2313221000022 is 2200001223132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2313220999959 and 2313221000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4984522 + ... + 5428802.

It is an arithmetic number, because the mean of its divisors is an integer number (105218195355).

Almost surely, 22313221000022 is an apocalyptic number.

2313221000022 is an abundant number, since it is smaller than the sum of its proper divisors (2737252377018).

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

2313221000022 is a wasteful number, since it uses less digits than its factorization.

2313221000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446509 (or 446506 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2313221000022 its reverse (2200001223132), we get a palindrome (4513222223154).

The spelling of 2313221000022 in words is "two trillion, three hundred thirteen billion, two hundred twenty-one million, twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2081 2502 4162 6243 12486 18729 37458 289259 444281 578518 867777 888562 1332843 1735554 2603331 2665686 3998529 5206662 7997058 61755059 123510118 185265177 370530354 555795531 924548761 1111591062 1849097522 2773646283 5547292566 8320938849 16641877698 128512277779 257024555558 385536833337 771073666674 1156610500011 2313221000022