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2213245444431 = 37230945644279
BaseRepresentation
bin100000001101001111101…
…101010110000101001111
321211120202212202211101110
4200031033231112011033
5242230211313210211
64412430110543103
7315621166606110
oct40151755260517
97746685684343
102213245444431
117836a539947a
122b8b37507a93
13130928a61218
147919bb4c207
153c8891d7ea6
hex2034fb5614f

2213245444431 has 16 divisors (see below), whose sum is σ = 3374025177600. Its totient is φ = 1264163923488.

The previous prime is 2213245444429. The next prime is 2213245444433. The reversal of 2213245444431 is 1344445423122.

2213245444431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2213245444429) and next prime (2213245444433).

It is not a de Polignac number, because 2213245444431 - 21 = 2213245444429 is a prime.

It is a super-2 number, since 2×22132454444312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2213245444431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213245444433) 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, 22773651 + ... + 22870628.

It is an arithmetic number, because the mean of its divisors is an integer number (210876573600).

Almost surely, 22213245444431 is an apocalyptic number.

2213245444431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2213245444431 is a deficient number, since it is larger than the sum of its proper divisors (1160779733169).

2213245444431 is a wasteful number, since it uses less digits than its factorization.

2213245444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45646598.

The product of its digits is 368640, while the sum is 39.

The spelling of 2213245444431 in words is "two trillion, two hundred thirteen billion, two hundred forty-five million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 3 7 21 2309 6927 16163 48489 45644279 136932837 319509953 958529859 105392640211 316177920633 737748481477 2213245444431