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321111424245 = 3521407428283
BaseRepresentation
bin1001010110000111011…
…10110111110011110101
31010200211210210111102210
410223003232313303311
520230114011033440
6403303324124033
732125304033223
oct4530356676365
91120753714383
10321111424245
11114201033857
1252297696619
1324385857111
1411782c9bb13
158545cbaa80
hex4ac3bb7cf5

321111424245 has 8 divisors (see below), whose sum is σ = 513778278816. Its totient is φ = 171259426256.

The previous prime is 321111424243. The next prime is 321111424247. The reversal of 321111424245 is 542424111123.

It is an interprime number because it is at equal distance from previous prime (321111424243) and next prime (321111424247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321111424245 - 21 = 321111424243 is a prime.

It is a super-2 number, since 2×3211114242452 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321111424243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10703714127 + ... + 10703714156.

It is an arithmetic number, because the mean of its divisors is an integer number (64222284852).

Almost surely, 2321111424245 is an apocalyptic number.

It is an amenable number.

321111424245 is a deficient number, since it is larger than the sum of its proper divisors (192666854571).

321111424245 is a wasteful number, since it uses less digits than its factorization.

321111424245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21407428291.

The product of its digits is 7680, while the sum is 30.

Adding to 321111424245 its reverse (542424111123), we get a palindrome (863535535368).

The spelling of 321111424245 in words is "three hundred twenty-one billion, one hundred eleven million, four hundred twenty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 21407428283 64222284849 107037141415 321111424245