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10212403023421 = 171821132987183
BaseRepresentation
bin1001010010011100001010…
…1001111000111000111101
31100011021222220222210212121
42110213002221320320331
52314310000133222141
633415302503002541
72102551603301404
oct224470251707075
940137886883777
1010212403023421
1132880682a72a5
12118b295139451
13591043c6b9c1
142743d657c63b
1512a9ac1e71d1
hex949c2a78e3d

10212403023421 has 8 divisors (see below), whose sum is σ = 10813726710144. Its totient is φ = 9611145347520.

The previous prime is 10212403023409. The next prime is 10212403023439. The reversal of 10212403023421 is 12432030421201.

10212403023421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10212403023421 - 27 = 10212403023293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212403023491) 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, 16184005 + ... + 16803178.

It is an arithmetic number, because the mean of its divisors is an integer number (1351715838768).

Almost surely, 210212403023421 is an apocalyptic number.

It is an amenable number.

10212403023421 is a deficient number, since it is larger than the sum of its proper divisors (601323686723).

10212403023421 is a wasteful number, since it uses less digits than its factorization.

10212403023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33005411.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10212403023421 its reverse (12432030421201), we get a palindrome (22644433444622).

The spelling of 10212403023421 in words is "ten trillion, two hundred twelve billion, four hundred three million, twenty-three thousand, four hundred twenty-one".

Divisors: 1 17 18211 309587 32987183 560782111 600729589613 10212403023421