Search a number
-
+
2031950043 = 3446354181
BaseRepresentation
bin111100100011101…
…0001100011011011
312020121110202110000
41321013101203123
513130134400133
6533343424043
7101232201414
oct17107214333
95217422400
102031950043
11952a8a162
124885b5023
13264c82b06
14153c1480b
15bd5c4413
hex791d18db

2031950043 has 20 divisors (see below), whose sum is σ = 3041994208. Its totient is φ = 1351682640.

The previous prime is 2031950027. The next prime is 2031950057. The reversal of 2031950043 is 3400591302.

It is not a de Polignac number, because 2031950043 - 24 = 2031950027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031949989 and 2031950016.

It is not an unprimeable number, because it can be changed into a prime (2031951043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10413 + ... + 64593.

Almost surely, 22031950043 is an apocalyptic number.

2031950043 is a deficient number, since it is larger than the sum of its proper divisors (1010044165).

2031950043 is an equidigital number, since it uses as much as digits as its factorization.

2031950043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54656 (or 54647 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2031950043 is about 45077.1565540685. The cubic root of 2031950043 is about 1266.5947263005.

The spelling of 2031950043 in words is "two billion, thirty-one million, nine hundred fifty thousand, forty-three".

Divisors: 1 3 9 27 81 463 1389 4167 12501 37503 54181 162543 487629 1462887 4388661 25085803 75257409 225772227 677316681 2031950043