Search a number
-
+
4201989620 = 2251712358793
BaseRepresentation
bin1111101001110101…
…0100010111110100
3101211211210012010012
43322131110113310
532101202131440
61532543115352
7206062215413
oct37235242764
911754705105
104201989620
111866a05aa4
129932a2b58
1351c7244ba
142bc0d347a
15198d73e65
hexfa7545f4

4201989620 has 24 divisors (see below), whose sum is σ = 9343248264. Its totient is φ = 1581925376.

The previous prime is 4201989613. The next prime is 4201989629. The reversal of 4201989620 is 269891024.

It can be written as a sum of positive squares in 4 ways, for example, as 2235776656 + 1966212964 = 47284^2 + 44342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201989629) 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 7 ways as a sum of consecutive naturals, for example, 6179057 + ... + 6179736.

It is an arithmetic number, because the mean of its divisors is an integer number (389302011).

Almost surely, 24201989620 is an apocalyptic number.

It is an amenable number.

4201989620 is an abundant number, since it is smaller than the sum of its proper divisors (5141258644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4201989620 is a wasteful number, since it uses less digits than its factorization.

4201989620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358819 (or 12358817 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 4201989620 is about 64822.7554181400. The cubic root of 4201989620 is about 1613.6833764324.

The spelling of 4201989620 in words is "four billion, two hundred one million, nine hundred eighty-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 12358793 24717586 49435172 61793965 123587930 210099481 247175860 420198962 840397924 1050497405 2100994810 4201989620