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10212243321 = 372229303367
BaseRepresentation
bin10011000001011001…
…00111011101111001
3222100201010201020010
421200230213131321
5131403313241241
64405203452133
7511032431100
oct114054473571
928321121203
1010212243321
1143705aa615
121b90087049
13c69970437
146cc411037
153eb834d16
hex260b27779

10212243321 has 24 divisors (see below), whose sum is σ = 15908617920. Its totient is φ = 5810065632.

The previous prime is 10212243311. The next prime is 10212243347. The reversal of 10212243321 is 12334221201.

It is not a de Polignac number, because 10212243321 - 25 = 10212243289 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10212243311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118021 + ... + 185346.

It is an arithmetic number, because the mean of its divisors is an integer number (662859080).

Almost surely, 210212243321 is an apocalyptic number.

It is an amenable number.

10212243321 is a deficient number, since it is larger than the sum of its proper divisors (5696374599).

10212243321 is a wasteful number, since it uses less digits than its factorization.

10212243321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303613 (or 303606 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10212243321 its reverse (12334221201), we get a palindrome (22546464522).

The spelling of 10212243321 in words is "ten billion, two hundred twelve million, two hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 3 7 21 49 147 229 687 1603 4809 11221 33663 303367 910101 2123569 6370707 14864983 44594949 69471043 208413129 486297301 1458891903 3404081107 10212243321