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212102031003 = 31724683168491
BaseRepresentation
bin1100010110001001000…
…1000010011010011011
3202021110202101120001220
43011202101002122123
511433341104443003
6241234402343123
721216041342142
oct3054221023233
9667422346056
10212102031003
1181a52081215
123513465aaa3
1317002658a75
14a3a149c759
1557b5b4b353
hex316244269b

212102031003 has 16 divisors (see below), whose sum is σ = 299452070016. Its totient is φ = 133077445760.

The previous prime is 212102030999. The next prime is 212102031019. The reversal of 212102031003 is 300130201212.

It is a cyclic number.

It is not a de Polignac number, because 212102031003 - 22 = 212102030999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212102039003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174588 + ... + 1343078.

It is an arithmetic number, because the mean of its divisors is an integer number (18715754376).

Almost surely, 2212102031003 is an apocalyptic number.

212102031003 is a deficient number, since it is larger than the sum of its proper divisors (87350039013).

212102031003 is a wasteful number, since it uses less digits than its factorization.

212102031003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193194.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212102031003 its reverse (300130201212), we get a palindrome (512232232215).

The spelling of 212102031003 in words is "two hundred twelve billion, one hundred two million, thirty-one thousand, three".

Divisors: 1 3 17 51 24683 74049 168491 419611 505473 1258833 2864347 8593041 4158863353 12476590059 70700677001 212102031003