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10212021310323 = 37997487749979
BaseRepresentation
bin1001010010011010101111…
…1001110001001101110011
31100011021000022201202221110
42110212223321301031303
52314303204423412243
633415200545324403
72102536256632260
oct224465371611563
940137008652843
1010212021310323
113287991891628
12118b1a9336703
13590cb2b60b71
1427439b9b8267
1512a988946e33
hex949abe71373

10212021310323 has 16 divisors (see below), whose sum is σ = 15576783361280. Its totient is φ = 5829587737056.

The previous prime is 10212021310291. The next prime is 10212021310343. The reversal of 10212021310323 is 32301312021201.

It is not a de Polignac number, because 10212021310323 - 25 = 10212021310291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212021310323.

It is not an unprimeable number, because it can be changed into a prime (10212021310343) 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, 243854053 + ... + 243895926.

It is an arithmetic number, because the mean of its divisors is an integer number (973548960080).

Almost surely, 210212021310323 is an apocalyptic number.

10212021310323 is a deficient number, since it is larger than the sum of its proper divisors (5364762050957).

10212021310323 is an equidigital number, since it uses as much as digits as its factorization.

10212021310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487750986.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10212021310323 its reverse (32301312021201), we get a palindrome (42513333331524).

The spelling of 10212021310323 in words is "ten trillion, two hundred twelve billion, twenty-one million, three hundred ten thousand, three hundred twenty-three".

Divisors: 1 3 7 21 997 2991 6979 20937 487749979 1463249937 3414249853 10242749559 486286729063 1458860187189 3404007103441 10212021310323