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10110001023 = 321923111727
BaseRepresentation
bin10010110101001101…
…00101111101111111
3222002120202021011100
421122212211331333
5131201130013043
64351112224143
7505351406433
oct113246457577
928076667140
1010110001023
114318917451
121b6199b053
13c51723135
146bc9d89c3
153e288acd3
hex25a9a5f7f

10110001023 has 18 divisors (see below), whose sum is σ = 15412388784. Its totient is φ = 6385261752.

The previous prime is 10110001019. The next prime is 10110001073. The reversal of 10110001023 is 32010001101.

It is not a de Polignac number, because 10110001023 - 22 = 10110001019 is a prime.

It is a super-2 number, since 2×101100010232 (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 10110000996 and 10110001014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110001073) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1552615 + ... + 1559112.

Almost surely, 210110001023 is an apocalyptic number.

10110001023 is a deficient number, since it is larger than the sum of its proper divisors (5302387761).

10110001023 is a wasteful number, since it uses less digits than its factorization.

10110001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111771 (or 3111749 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10110001023 its reverse (32010001101), we get a palindrome (42120002124).

The spelling of 10110001023 in words is "ten billion, one hundred ten million, one thousand, twenty-three".

Divisors: 1 3 9 19 57 171 361 1083 3249 3111727 9335181 28005543 59122813 177368439 532105317 1123333447 3370000341 10110001023