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22554421141 = 723735932081
BaseRepresentation
bin10101000000010110…
…010010011110010101
32011012212010022022011
4111000112102132111
5332142412434031
614210015304221
71425630262600
oct250026223625
964185108264
1022554421141
11962442347a
12445551b071
13218597c935
14113d661337
158c01466b1
hex540592795

22554421141 has 24 divisors (see below), whose sum is σ = 26364141144. Its totient is φ = 19238768640.

The previous prime is 22554421073. The next prime is 22554421159. The reversal of 22554421141 is 14112445522.

It can be written as a sum of positive squares in 4 ways, for example, as 3605522116 + 18948899025 = 60046^2 + 137655^2 .

It is not a de Polignac number, because 22554421141 - 227 = 22420203413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554421171) 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, 10837221 + ... + 10839301.

It is an arithmetic number, because the mean of its divisors is an integer number (1098505881).

Almost surely, 222554421141 is an apocalyptic number.

It is an amenable number.

22554421141 is a deficient number, since it is larger than the sum of its proper divisors (3809720003).

22554421141 is a wasteful number, since it uses less digits than its factorization.

22554421141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061 (or 3054 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

Adding to 22554421141 its reverse (14112445522), we get a palindrome (36666866663).

The spelling of 22554421141 in words is "twenty-two billion, five hundred fifty-four million, four hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 7 49 373 593 2081 2611 4151 14567 18277 29057 101969 221189 776213 1234033 1548323 5433491 8638231 10838261 38034437 60467617 460294309 3222060163 22554421141