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102102212024 = 23171931388789
BaseRepresentation
bin101111100010111000…
…1000001110110111000
3100202112200022210000022
41133011301001312320
53133101131241044
6114523300430012
710243121324351
oct1370561016670
9322480283008
10102102212024
113a33504510a
12179559a8308
1398221c3397
144d28324d28
1529c8a8c3ee
hex17c5c41db8

102102212024 has 32 divisors (see below), whose sum is σ = 202808415600. Its totient is φ = 48023093760.

The previous prime is 102102212011. The next prime is 102102212059. The reversal of 102102212024 is 420212201201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 102102211993 and 102102212011.

It is a congruent number.

It is an unprimeable number.

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, 68222 + ... + 457010.

Almost surely, 2102102212024 is an apocalyptic number.

It is an amenable number.

102102212024 is a deficient number, since it is larger than the sum of its proper divisors (100706203576).

102102212024 is a wasteful number, since it uses less digits than its factorization.

102102212024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390743 (or 390739 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102102212024 its reverse (420212201201), we get a palindrome (522314413225).

The spelling of 102102212024 in words is "one hundred two billion, one hundred two million, two hundred twelve thousand, twenty-four".

Divisors: 1 2 4 8 17 34 68 136 1931 3862 7724 15448 32827 65654 131308 262616 388789 777578 1555156 3110312 6609413 13218826 26437652 52875304 750751559 1501503118 3003006236 6006012472 12762776503 25525553006 51051106012 102102212024