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102412223340 = 22357243838627
BaseRepresentation
bin101111101100000111…
…1101000001101101100
3100210100021122222120220
41133120033220031230
53134220012121330
6115014133211340
710253604351420
oct1373017501554
9323307588526
10102412223340
113a484037209
1217a21790b50
1398714b7c2b
144d57582b80
1529e5dc7710
hex17d83e836c

102412223340 has 48 divisors (see below), whose sum is σ = 327719116032. Its totient is φ = 23408508096.

The previous prime is 102412223339. The next prime is 102412223357. The reversal of 102412223340 is 43322214201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102412223340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121918894 + ... + 121919733.

It is an arithmetic number, because the mean of its divisors is an integer number (6827481584).

Almost surely, 2102412223340 is an apocalyptic number.

102412223340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102412223340 is an abundant number, since it is smaller than the sum of its proper divisors (225306892692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102412223340 is a wasteful number, since it uses less digits than its factorization.

102412223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243838646 (or 243838644 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102412223340 its reverse (43322214201), we get a palindrome (145734437541).

The spelling of 102412223340 in words is "one hundred two billion, four hundred twelve million, two hundred twenty-three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 243838627 487677254 731515881 975354508 1219193135 1463031762 1706870389 2438386270 2926063524 3413740778 3657579405 4876772540 5120611167 6827481556 7315158810 8534351945 10241222334 14630317620 17068703890 20482444668 25603055835 34137407780 51206111670 102412223340