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102444310321 = 1131261971843
BaseRepresentation
bin101111101101000101…
…0000001111100110001
3100210102112001011122121
41133122022001330301
53134301220412241
6115021241034241
710254444161443
oct1373212017461
9323375034577
10102444310321
113a4a0162681
1217a30485981
139878040b02
144d5b936493
1529e8b14ad1
hex17da281f31

102444310321 has 8 divisors (see below), whose sum is σ = 103360525920. Its totient is φ = 101528263872.

The previous prime is 102444310313. The next prime is 102444310349. The reversal of 102444310321 is 123013444201.

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 102444310321 - 23 = 102444310313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102444340321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390026 + ... + 1461868.

It is an arithmetic number, because the mean of its divisors is an integer number (12920065740).

Almost surely, 2102444310321 is an apocalyptic number.

It is an amenable number.

102444310321 is a deficient number, since it is larger than the sum of its proper divisors (916215599).

102444310321 is a wasteful number, since it uses less digits than its factorization.

102444310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84575.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102444310321 its reverse (123013444201), we get a palindrome (225457754522).

The spelling of 102444310321 in words is "one hundred two billion, four hundred forty-four million, three hundred ten thousand, three hundred twenty-one".

Divisors: 1 113 12619 71843 1425947 8118259 906586817 102444310321