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2120203033 = 13379742953
BaseRepresentation
bin111111001011111…
…1011101100011001
312110202112110210021
41332113323230121
513320232444113
6550215150441
7103353266644
oct17627735431
95422473707
102120203033
11998887a13
124b2075421
1327a342810
14161828a5b
15c620848d
hex7e5fbb19

2120203033 has 8 divisors (see below), whose sum is σ = 2283950088. Its totient is φ = 1956549504.

The previous prime is 2120203031. The next prime is 2120203037. The reversal of 2120203033 is 3303020212.

It can be written as a sum of positive squares in 4 ways, for example, as 338265664 + 1781937369 = 18392^2 + 42213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120203033 - 21 = 2120203031 is a prime.

It is a super-2 number, since 2×21202030332 = 8990521802284798178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120202998 and 2120203016.

It is not an unprimeable number, because it can be changed into a prime (2120203031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27885 + ... + 70837.

It is an arithmetic number, because the mean of its divisors is an integer number (285493761).

Almost surely, 22120203033 is an apocalyptic number.

It is an amenable number.

2120203033 is a deficient number, since it is larger than the sum of its proper divisors (163747055).

2120203033 is a wasteful number, since it uses less digits than its factorization.

2120203033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46763.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2120203033 is about 46045.6624775885. The cubic root of 2120203033 is about 1284.6726662492.

Adding to 2120203033 its reverse (3303020212), we get a palindrome (5423223245).

The spelling of 2120203033 in words is "two billion, one hundred twenty million, two hundred three thousand, thirty-three".

Divisors: 1 13 3797 42953 49361 558389 163092541 2120203033