Search a number
-
+
22742220153 = 3167257176629
BaseRepresentation
bin10101001011100010…
…101011110101111001
32011200221111111010010
4111023202223311321
5333034002021103
614240404412133
71433400452562
oct251342536571
964627444103
1022742220153
119710432674
1244a83a7049
1321b5854603
14115a589169
158d1890903
hex54b8abd79

22742220153 has 16 divisors (see below), whose sum is σ = 30623402880. Its totient is φ = 15011966976.

The previous prime is 22742220139. The next prime is 22742220211. The reversal of 22742220153 is 35102224722.

It is not a de Polignac number, because 22742220153 - 25 = 22742220121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22742220153.

It is not an unprimeable number, because it can be changed into a prime (22742220103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40443 + ... + 217071.

It is an arithmetic number, because the mean of its divisors is an integer number (1913962680).

Almost surely, 222742220153 is an apocalyptic number.

It is an amenable number.

22742220153 is a deficient number, since it is larger than the sum of its proper divisors (7881182727).

22742220153 is a wasteful number, since it uses less digits than its factorization.

22742220153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177056.

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 22742220153 its reverse (35102224722), we get a palindrome (57844444875).

The spelling of 22742220153 in words is "twenty-two billion, seven hundred forty-two million, two hundred twenty thousand, one hundred fifty-three".

Divisors: 1 3 167 257 501 771 42919 128757 176629 529887 29497043 45393653 88491129 136180959 7580740051 22742220153