Search a number
-
+
2223311440312 = 23277913930039
BaseRepresentation
bin100000010110100111101…
…100000100100110111000
321212112202101201101211201
4200112213230010212320
5242411320212042222
64421213012103544
7316425505266634
oct40264754044670
97775671641751
102223311440312
117879a038a136
122baa86604bb4
131318713177c1
147987496ddc4
153cc77c80427
hex205a7b049b8

2223311440312 has 8 divisors (see below), whose sum is σ = 4168708950600. Its totient is φ = 1111655720152.

The previous prime is 2223311440289. The next prime is 2223311440313. The reversal of 2223311440312 is 2130441133222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22233114403122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223311440313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138956965012 + ... + 138956965027.

It is an arithmetic number, because the mean of its divisors is an integer number (521088618825).

Almost surely, 22223311440312 is an apocalyptic number.

It is an amenable number.

2223311440312 is a deficient number, since it is larger than the sum of its proper divisors (1945397510288).

2223311440312 is a wasteful number, since it uses less digits than its factorization.

2223311440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277913930045 (or 277913930041 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2223311440312 its reverse (2130441133222), we get a palindrome (4353752573534).

The spelling of 2223311440312 in words is "two trillion, two hundred twenty-three billion, three hundred eleven million, four hundred forty thousand, three hundred twelve".

Divisors: 1 2 4 8 277913930039 555827860078 1111655720156 2223311440312