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10211100534521 = 67717218764013
BaseRepresentation
bin1001010010010111010100…
…0001010010011011111001
31100011011122011010111222222
42110211311001102123321
52314244313214101041
633414525334053425
72102504406313565
oct224456501223371
940134564114888
1010211100534521
11328755a05a097
12118ab90aaa275
13590b97171c03
142743115b06a5
1512a932bb474b
hex949750526f9

10211100534521 has 8 divisors (see below), whose sum is σ = 10232126569224. Its totient is φ = 10190092032640.

The previous prime is 10211100534497. The next prime is 10211100534533. The reversal of 10211100534521 is 12543500111201.

It can be written as a sum of positive squares in 4 ways, for example, as 8978778524521 + 1232322010000 = 2996461^2 + 1110100^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10211100534521 - 26 = 10211100534457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211100534571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216890 + ... + 5547123.

It is an arithmetic number, because the mean of its divisors is an integer number (1279015821153).

Almost surely, 210211100534521 is an apocalyptic number.

It is an amenable number.

10211100534521 is a deficient number, since it is larger than the sum of its proper divisors (21026034703).

10211100534521 is an equidigital number, since it uses as much as digits as its factorization.

10211100534521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8766411.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 10211100534521 its reverse (12543500111201), we get a palindrome (22754600645722).

The spelling of 10211100534521 in words is "ten trillion, two hundred eleven billion, one hundred million, five hundred thirty-four thousand, five hundred twenty-one".

Divisors: 1 677 1721 1165117 8764013 5933236801 15082866373 10211100534521