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10011022101 = 321765431517
BaseRepresentation
bin10010101001011010…
…00001001100010101
3221211200111121121100
421110231001030111
5131000310201401
64333214540313
7503040166233
oct112455011425
927750447540
1010011022101
114277a63093
121b34807699
13c37079322
146ad7d1953
153d8d38b86
hex254b41315

10011022101 has 12 divisors (see below), whose sum is σ = 15310975212. Its totient is φ = 6281425536.

The previous prime is 10011022093. The next prime is 10011022139. The reversal of 10011022101 is 10122011001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7186631076 + 2824391025 = 84774^2 + 53145^2 .

It is not a de Polignac number, because 10011022101 - 23 = 10011022093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011022141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32715606 + ... + 32715911.

It is an arithmetic number, because the mean of its divisors is an integer number (1275914601).

Almost surely, 210011022101 is an apocalyptic number.

It is an amenable number.

10011022101 is a deficient number, since it is larger than the sum of its proper divisors (5299953111).

10011022101 is a wasteful number, since it uses less digits than its factorization.

10011022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65431540 (or 65431537 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10011022101 its reverse (10122011001), we get a palindrome (20133033102).

The spelling of 10011022101 in words is "ten billion, eleven million, twenty-two thousand, one hundred one".

Divisors: 1 3 9 17 51 153 65431517 196294551 588883653 1112335789 3337007367 10011022101