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22200031000 = 235373171433
BaseRepresentation
bin10100101011001110…
…011001011100011000
32010022011021102102101
4110223032121130120
5330431201443000
614110515413144
71414065102310
oct245316313430
963264242371
1022200031000
11946237a964
1243768b41b4
13212a41a424
141108570440
1589de91e6a
hex52b399718

22200031000 has 64 divisors (see below), whose sum is σ = 59369244480. Its totient is φ = 7611436800.

The previous prime is 22200030971. The next prime is 22200031033. The reversal of 22200031000 is 13000222.

It is a super-2 number, since 2×222000310002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1578717 + ... + 1592716.

It is an arithmetic number, because the mean of its divisors is an integer number (927644445).

Almost surely, 222200031000 is an apocalyptic number.

22200031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200031000 is an abundant number, since it is smaller than the sum of its proper divisors (37169213480).

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

22200031000 is a wasteful number, since it uses less digits than its factorization.

22200031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171461 (or 3171447 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 22200031000 its reverse (13000222), we get a palindrome (22213031222).

The spelling of 22200031000 in words is "twenty-two billion, two hundred million, thirty-one thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 3171433 6342866 12685732 15857165 22200031 25371464 31714330 44400062 63428660 79285825 88800124 111000155 126857320 158571650 177600248 222000310 317143300 396429125 444000620 555000775 634286600 792858250 888001240 1110001550 1585716500 2220003100 2775003875 3171433000 4440006200 5550007750 11100015500 22200031000