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22555132040 = 235780554043
BaseRepresentation
bin10101000000011001…
…000000000010001000
32011012220110102110202
4111000121000002020
5332143103211130
614210042431332
71425636313310
oct250031000210
964186412422
1022555132040
1196248695a1
124455802548
132185b6b39c
14113d7a8440
158c0237145
hex540640088

22555132040 has 32 divisors (see below), whose sum is σ = 57998911680. Its totient is φ = 7733188032.

The previous prime is 22555132027. The next prime is 22555132051. The reversal of 22555132040 is 4023155522.

It is a junction number, because it is equal to n+sod(n) for n = 22555131994 and 22555132012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40276742 + ... + 40277301.

It is an arithmetic number, because the mean of its divisors is an integer number (1812465990).

Almost surely, 222555132040 is an apocalyptic number.

22555132040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555132040 is an abundant number, since it is smaller than the sum of its proper divisors (35443779640).

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

22555132040 is a wasteful number, since it uses less digits than its factorization.

22555132040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80554061 (or 80554057 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 22555132040 its reverse (4023155522), we get a palindrome (26578287562).

The spelling of 22555132040 in words is "twenty-two billion, five hundred fifty-five million, one hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 80554043 161108086 322216172 402770215 563878301 644432344 805540430 1127756602 1611080860 2255513204 2819391505 3222161720 4511026408 5638783010 11277566020 22555132040