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102123242312 = 23713149941471
BaseRepresentation
bin101111100011100000…
…1010000001101001000
3100202121010220020010212
41133013001100031020
53133122022223222
6114525331300252
710243465144220
oct1370701201510
9322533806125
10102123242312
113a3459a9513
1217960a4a688
139826677740
144d2b03b080
1529ca8436e2
hex17c7050348

102123242312 has 64 divisors (see below), whose sum is σ = 237250944000. Its totient is φ = 40129217280.

The previous prime is 102123242279. The next prime is 102123242327. The reversal of 102123242312 is 213242321201.

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, 362264 + ... + 579207.

It is an arithmetic number, because the mean of its divisors is an integer number (3707046000).

Almost surely, 2102123242312 is an apocalyptic number.

It is an amenable number.

102123242312 is an abundant number, since it is smaller than the sum of its proper divisors (135127701688).

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

102123242312 is a wasteful number, since it uses less digits than its factorization.

102123242312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941646 (or 941642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102123242312 its reverse (213242321201), we get a palindrome (315365563513).

The spelling of 102123242312 in words is "one hundred two billion, one hundred twenty-three million, two hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 149 182 298 364 596 728 1043 1192 1937 2086 3874 4172 7748 8344 13559 15496 27118 54236 108472 941471 1882942 3765884 6590297 7531768 12239123 13180594 24478246 26361188 48956492 52722376 85673861 97912984 140279179 171347722 280558358 342695444 561116716 685390888 981954253 1122233432 1823629327 1963908506 3647258654 3927817012 7294517308 7855634024 12765405289 14589034616 25530810578 51061621156 102123242312