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22010212112 = 247238544337
BaseRepresentation
bin10100011111111010…
…010010111100010000
32002210221002121212012
4110133322102330100
5330034103241422
614040015122052
71406301500420
oct243772227420
962727077765
1022010212112
119375211149
124323213328
1320c9cb9265
1410cb27c480
1588c4994e2
hex51fe92f10

22010212112 has 40 divisors (see below), whose sum is σ = 50855899776. Its totient is φ = 9022818816.

The previous prime is 22010212111. The next prime is 22010212129. The reversal of 22010212112 is 21121201022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22010212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4269593 + ... + 4274744.

Almost surely, 222010212112 is an apocalyptic number.

It is an amenable number.

22010212112 is an abundant number, since it is smaller than the sum of its proper divisors (28845687664).

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

22010212112 is a wasteful number, since it uses less digits than its factorization.

22010212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544375 (or 8544369 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22010212112 its reverse (21121201022), we get a palindrome (43131413134).

The spelling of 22010212112 in words is "twenty-two billion, ten million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 23 28 46 56 92 112 161 184 322 368 644 1288 2576 8544337 17088674 34177348 59810359 68354696 119620718 136709392 196519751 239241436 393039502 478482872 786079004 956965744 1375638257 1572158008 2751276514 3144316016 5502553028 11005106056 22010212112