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22400550552 = 233712185153
BaseRepresentation
bin10100110111001011…
…010100011010011000
32010211010120212112110
4110313023110122120
5331334020104202
614142441312320
71422051352362
oct246713243230
963733525473
1022400550552
1195555881a6
124411a956a0
13215cb27053
141127049d32
158b18a026c
hex5372d4698

22400550552 has 48 divisors (see below), whose sum is σ = 56801544120. Its totient is φ = 7361643520.

The previous prime is 22400550547. The next prime is 22400550559. The reversal of 22400550552 is 25505500422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400550559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28408 + ... + 213560.

Almost surely, 222400550552 is an apocalyptic number.

It is an amenable number.

22400550552 is an abundant number, since it is smaller than the sum of its proper divisors (34400993568).

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

22400550552 is a wasteful number, since it uses less digits than its factorization.

22400550552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185304 (or 185229 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The spelling of 22400550552 in words is "twenty-two billion, four hundred million, five hundred fifty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 5041 10082 15123 20164 30246 40328 60492 120984 185153 370306 555459 740612 1110918 1481224 2221836 4443672 13145863 26291726 39437589 52583452 78875178 105166904 157750356 315500712 933356273 1866712546 2800068819 3733425092 5600137638 7466850184 11200275276 22400550552