Search a number
-
+
23012011224 = 2334297111953
BaseRepresentation
bin10101011011100111…
…110110110011011000
32012101202011021220000
4111123213312303120
5334112033324344
614323243133000
71443154603506
oct253347666330
965352137800
1023012011224
1198397536a4
124562814160
1322297062b7
141184337676
158ea3d3a69
hex55b9f6cd8

23012011224 has 80 divisors (see below), whose sum is σ = 64482027720. Its totient is φ = 7667447040.

The previous prime is 23012011207. The next prime is 23012011237. The reversal of 23012011224 is 42211021032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23012011197 and 23012011206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1919232 + ... + 1931184.

Almost surely, 223012011224 is an apocalyptic number.

23012011224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23012011224 is an abundant number, since it is smaller than the sum of its proper divisors (41470016496).

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

23012011224 is a wasteful number, since it uses less digits than its factorization.

23012011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14942 (or 14929 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23012011224 its reverse (42211021032), we get a palindrome (65223032256).

The spelling of 23012011224 in words is "twenty-three billion, twelve million, eleven thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 2971 5942 8913 11884 11953 17826 23768 23906 26739 35652 35859 47812 53478 71304 71718 80217 95624 106956 107577 143436 160434 213912 215154 240651 286872 320868 322731 430308 481302 641736 645462 860616 962604 968193 1290924 1925208 1936386 2581848 3872772 7745544 35512363 71024726 106537089 142049452 213074178 284098904 319611267 426148356 639222534 852296712 958833801 1278445068 1917667602 2556890136 2876501403 3835335204 5753002806 7670670408 11506005612 23012011224