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22450054531025 = 5211439718566423
BaseRepresentation
bin1010001101011000011111…
…00001101000011111010001
32221111012111220022100202002
411012230033201220133101
510420310202424443100
6115425225045403345
74504651164642212
oct506541741503721
987435456270662
1022450054531025
117176018569230
122626b79a09555
13c6b053309a24
14578834957409
1528de9dcc42d5
hex146b0f8687d1

22450054531025 has 24 divisors (see below), whose sum is σ = 30375709383744. Its totient is φ = 16323598222400.

The previous prime is 22450054530997. The next prime is 22450054531027. The reversal of 22450054531025 is 52013545005422.

It is not a de Polignac number, because 22450054531025 - 212 = 22450054526929 is a prime.

It is a super-2 number, since 2×224500545310252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22450054531025.

It is not an unprimeable number, because it can be changed into a prime (22450054531027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8074037 + ... + 10492386.

It is an arithmetic number, because the mean of its divisors is an integer number (1265654557656).

Almost surely, 222450054531025 is an apocalyptic number.

22450054531025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22450054531025 is a deficient number, since it is larger than the sum of its proper divisors (7925654852719).

22450054531025 is a wasteful number, since it uses less digits than its factorization.

22450054531025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570841 (or 18570836 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 22450054531025 its reverse (52013545005422), we get a palindrome (74463599536447).

The spelling of 22450054531025 in words is "twenty-two trillion, four hundred fifty billion, fifty-four million, five hundred thirty-one thousand, twenty-five".

Divisors: 1 5 11 25 55 275 4397 21985 48367 109925 241835 1209175 18566423 92832115 204230653 464160575 1021153265 5105766325 81636561931 408182809655 898002181241 2040914048275 4490010906205 22450054531025