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1010023445 = 5202004689
BaseRepresentation
bin111100001100111…
…011110000010101
32121101112111200202
4330030323300111
54032031222240
6244120150245
734013025524
oct7414736025
92541474622
101010023445
1147914a622
12242308385
13131339612
14981da4bb
155da11315
hex3c33bc15

1010023445 has 4 divisors (see below), whose sum is σ = 1212028140. Its totient is φ = 808018752.

The previous prime is 1010023379. The next prime is 1010023477. The reversal of 1010023445 is 5443200101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5443200101 = 12314421771.

It can be written as a sum of positive squares in 2 ways, for example, as 548590084 + 461433361 = 23422^2 + 21481^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010023445 - 212 = 1010019349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101002340 + ... + 101002349.

It is an arithmetic number, because the mean of its divisors is an integer number (303007035).

Almost surely, 21010023445 is an apocalyptic number.

It is an amenable number.

1010023445 is a deficient number, since it is larger than the sum of its proper divisors (202004695).

1010023445 is an equidigital number, since it uses as much as digits as its factorization.

1010023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202004694.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1010023445 is about 31780.8660202959. The cubic root of 1010023445 is about 1003.3300468124.

Adding to 1010023445 its reverse (5443200101), we get a palindrome (6453223546).

The spelling of 1010023445 in words is "one billion, ten million, twenty-three thousand, four hundred forty-five".

Divisors: 1 5 202004689 1010023445