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22103230123220 = 2259831124274167
BaseRepresentation
bin1010000011010010011110…
…01011100000110011010100
32220021001022002222221220212
411001221033023200303110
510344114403402420340
6115002030030544552
74440622435056221
oct501511713406324
986231262887825
1022103230123220
117051a221a1344
12258b907068158
13c4443061244c
14565b32b58948
15284e5094ba65
hex141a4f2e0cd4

22103230123220 has 24 divisors (see below), whose sum is σ = 46464002815104. Its totient is φ = 8832297848096.

The previous prime is 22103230123187. The next prime is 22103230123223. The reversal of 22103230123220 is 2232103230122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103230123223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562117424 + ... + 562156743.

It is an arithmetic number, because the mean of its divisors is an integer number (1936000117296).

Almost surely, 222103230123220 is an apocalyptic number.

22103230123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103230123220 is an abundant number, since it is smaller than the sum of its proper divisors (24360772691884).

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

22103230123220 is a wasteful number, since it uses less digits than its factorization.

22103230123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124275159 (or 1124275157 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22103230123220 its reverse (2232103230122), we get a palindrome (24335333353342).

The spelling of 22103230123220 in words is "twenty-two trillion, one hundred three billion, two hundred thirty million, one hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 983 1966 3932 4915 9830 19660 1124274167 2248548334 4497096668 5621370835 11242741670 22485483340 1105161506161 2210323012322 4420646024644 5525807530805 11051615061610 22103230123220