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10210101 = 31132557
BaseRepresentation
bin100110111100…
…101100110101
3201012201121220
4212330230311
510103210401
61002500553
7152533026
oct46745465
921181556
1010210101
115844000
123504759
1321663a5
1414dac4d
15d6a336
hex9bcb35

10210101 has 16 divisors (see below), whose sum is σ = 14979648. Its totient is φ = 6185520.

The previous prime is 10210097. The next prime is 10210103. The reversal of 10210101 is 10101201.

It is not a de Polignac number, because 10210101 - 22 = 10210097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210103) 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, 2715 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (936228).

Almost surely, 210210101 is an apocalyptic number.

10210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210101 is a deficient number, since it is larger than the sum of its proper divisors (4769547).

10210101 is an equidigital number, since it uses as much as digits as its factorization.

10210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593 (or 2571 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 10210101 is about 3195.3248661130. The cubic root of 10210101 is about 216.9418533638.

Adding to 10210101 its reverse (10101201), we get a palindrome (20311302).

Subtracting from 10210101 its reverse (10101201), we obtain a square (108900 = 3302).

Multiplying 10210101 by its reverse (10101201), we get a palindrome (103134282431301).

The spelling of 10210101 in words is "ten million, two hundred ten thousand, one hundred one".

Divisors: 1 3 11 33 121 363 1331 2557 3993 7671 28127 84381 309397 928191 3403367 10210101