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201033023 = 1801111623
BaseRepresentation
bin10111111101110…
…00010100111111
3112000021112110112
423332320110333
5402431024043
631540500235
74660516052
oct1376702477
9460245415
10201033023
11a35290a4
12573aa67b
1332859569
141c9b0a99
15129b0518
hexbfb853f

201033023 has 4 divisors (see below), whose sum is σ = 201146448. Its totient is φ = 200919600.

The previous prime is 201033013. The next prime is 201033037. The reversal of 201033023 is 320330102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201033023 - 214 = 201016639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201032989 and 201033007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201033013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54011 + ... + 57612.

It is an arithmetic number, because the mean of its divisors is an integer number (50286612).

Almost surely, 2201033023 is an apocalyptic number.

201033023 is a deficient number, since it is larger than the sum of its proper divisors (113425).

201033023 is a wasteful number, since it uses less digits than its factorization.

201033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113424.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 201033023 is about 14178.6114623400. The cubic root of 201033023 is about 585.8086782773.

Adding to 201033023 its reverse (320330102), we get a palindrome (521363125).

The spelling of 201033023 in words is "two hundred one million, thirty-three thousand, twenty-three".

Divisors: 1 1801 111623 201033023