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102423313144 = 23231427390083
BaseRepresentation
bin101111101100011100…
…1111011101011111000
3100210101001112101221101
41133120321323223320
53134230332010034
6115015211021144
710254100540255
oct1373071735370
9323331471841
10102423313144
113a48a321139
1217a2543a7b4
13987389b849
144d58c2c42c
1529e6d68514
hex17d8e7baf8

102423313144 has 32 divisors (see below), whose sum is σ = 200534382720. Its totient is φ = 48950610016.

The previous prime is 102423313123. The next prime is 102423313151. The reversal of 102423313144 is 441313324201.

It is a happy number.

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, 67527 + ... + 457609.

It is an arithmetic number, because the mean of its divisors is an integer number (6266699460).

Almost surely, 2102423313144 is an apocalyptic number.

It is an amenable number.

102423313144 is a deficient number, since it is larger than the sum of its proper divisors (98111069576).

102423313144 is a wasteful number, since it uses less digits than its factorization.

102423313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391539 (or 391535 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 102423313144 its reverse (441313324201), we get a palindrome (543736637345).

The spelling of 102423313144 in words is "one hundred two billion, four hundred twenty-three million, three hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 23 46 92 184 1427 2854 5708 11416 32821 65642 131284 262568 390083 780166 1560332 3120664 8971909 17943818 35887636 71775272 556648441 1113296882 2226593764 4453187528 12802914143 25605828286 51211656572 102423313144