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10210100101 = 11059923239
BaseRepresentation
bin10011000001001000…
…11100001110000101
3222100120002211021121
421200210130032011
5131402241200401
64405045513541
7511005263455
oct114044341605
928316084247
1010210100101
11436a376363
121b8b4128b1
13c6939ca66
146cc013d65
153eb55eca1
hex26091c385

10210100101 has 4 divisors (see below), whose sum is σ = 10211034400. Its totient is φ = 10209165804.

The previous prime is 10210100099. The next prime is 10210100111. The reversal of 10210100101 is 10100101201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10100101201 = 19152880111.

It is a cyclic number.

It is not a de Polignac number, because 10210100101 - 21 = 10210100099 is a prime.

It is a super-2 number, since 2×102101001012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210100111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450561 + ... + 472678.

It is an arithmetic number, because the mean of its divisors is an integer number (2552758600).

Almost surely, 210210100101 is an apocalyptic number.

It is an amenable number.

10210100101 is a deficient number, since it is larger than the sum of its proper divisors (934299).

10210100101 is an equidigital number, since it uses as much as digits as its factorization.

10210100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934298.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10210100101 its reverse (10100101201), we get a palindrome (20310201302).

The spelling of 10210100101 in words is "ten billion, two hundred ten million, one hundred thousand, one hundred one".

Divisors: 1 11059 923239 10210100101