Search a number
-
+
22060021950 = 2345217373859
BaseRepresentation
bin10100100010111000…
…010011100010111110
32002221101211020010000
4110202320103202332
5330134331200300
614044554455130
71410445043541
oct244270234276
962841736100
1022060021950
1193a0341aaa
124337a344a6
132107408c35
1410d3b26858
15891a37c00
hex522e138be

22060021950 has 240 divisors, whose sum is σ = 65149468560. Its totient is φ = 5515361280.

The previous prime is 22060021891. The next prime is 22060021957. The reversal of 22060021950 is 5912006022.

22060021950 is a `hidden beast` number, since 2 + 2 + 0 + 600 + 2 + 1 + 9 + 50 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22060021957) 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 119 ways as a sum of consecutive naturals, for example, 25680621 + ... + 25681479.

It is an arithmetic number, because the mean of its divisors is an integer number (271456119).

Almost surely, 222060021950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22060021950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32574734280).

22060021950 is an abundant number, since it is smaller than the sum of its proper divisors (43089446610).

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

22060021950 is a wasteful number, since it uses less digits than its factorization.

22060021950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 22060021950 its reverse (5912006022), we get a palindrome (27972027972).

The spelling of 22060021950 in words is "twenty-two billion, sixty million, twenty-one thousand, nine hundred fifty".