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102442241144 = 2331478788799
BaseRepresentation
bin101111101101000001…
…0001000110001111000
3100210102101011001021102
41133122002020301320
53134300203204034
6115021124430532
710254420453035
oct1373202106170
9323371131242
10102442241144
113a499a7a011
1217a2b848448
139877798049
144d5b55838c
1529e885697e
hex17da088c78

102442241144 has 32 divisors (see below), whose sum is σ = 202493952000. Its totient is φ = 48514164960.

The previous prime is 102442241131. The next prime is 102442241147. The reversal of 102442241144 is 441142244201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102442241147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382744 + ... + 4406055.

It is an arithmetic number, because the mean of its divisors is an integer number (6327936000).

Almost surely, 2102442241144 is an apocalyptic number.

It is an amenable number.

102442241144 is a deficient number, since it is larger than the sum of its proper divisors (100051710856).

102442241144 is a wasteful number, since it uses less digits than its factorization.

102442241144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788883 (or 8788879 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 102442241144 its reverse (441142244201), we get a palindrome (543584485345).

The spelling of 102442241144 in words is "one hundred two billion, four hundred forty-two million, two hundred forty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 31 47 62 94 124 188 248 376 1457 2914 5828 11656 8788799 17577598 35155196 70310392 272452769 413073553 544905538 826147106 1089811076 1652294212 2179622152 3304588424 12805280143 25610560286 51221120572 102442241144