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321102442445 = 5349184012861
BaseRepresentation
bin1001010110000110011…
…00100110111111001101
31010200211011220011201112
410223003030212333031
520230104211124240
6403302403421405
732125134504221
oct4530314467715
91120734804645
10321102442445
111141a6a59684
1252294684865
1324383a30b45
1411781a00781
1585450e4665
hex4ac3326fcd

321102442445 has 8 divisors (see below), whose sum is σ = 386427010200. Its totient is φ = 256145901120.

The previous prime is 321102442433. The next prime is 321102442477. The reversal of 321102442445 is 544244201123.

It can be written as a sum of positive squares in 4 ways, for example, as 3319949161 + 317782493284 = 57619^2 + 563722^2 .

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

It is not a de Polignac number, because 321102442445 - 24 = 321102442429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92004686 + ... + 92008175.

It is an arithmetic number, because the mean of its divisors is an integer number (48303376275).

Almost surely, 2321102442445 is an apocalyptic number.

It is an amenable number.

321102442445 is a deficient number, since it is larger than the sum of its proper divisors (65324567755).

321102442445 is a wasteful number, since it uses less digits than its factorization.

321102442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184013215.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 321102442445 its reverse (544244201123), we get a palindrome (865346643568).

The spelling of 321102442445 in words is "three hundred twenty-one billion, one hundred two million, four hundred forty-two thousand, four hundred forty-five".

Divisors: 1 5 349 1745 184012861 920064305 64220488489 321102442445