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10221044112 = 2432608911657
BaseRepresentation
bin10011000010011100…
…01100000110010000
3222101022200211122100
421201032030012100
5131413041402422
64410120240400
7511200304266
oct114116140620
928338624570
1010221044112
1143755707a4
121b93010100
13c6b7321c6
146cd662436
153ec4c27ac
hex26138c190

10221044112 has 60 divisors (see below), whose sum is σ = 28611879660. Its totient is φ = 3406162944.

The previous prime is 10221044111. The next prime is 10221044149. The reversal of 10221044112 is 21144012201.

10221044112 is a `hidden beast` number, since 1 + 0 + 2 + 210 + 441 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4857532416 + 5363511696 = 69696^2 + 73236^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10221044111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870988 + ... + 882644.

It is an arithmetic number, because the mean of its divisors is an integer number (476864661).

Almost surely, 210221044112 is an apocalyptic number.

10221044112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221044112 is an abundant number, since it is smaller than the sum of its proper divisors (18390835548).

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

10221044112 is a wasteful number, since it uses less digits than its factorization.

10221044112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760 (or 17751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221044112 its reverse (21144012201), we get a palindrome (31365056313).

The spelling of 10221044112 in words is "ten billion, two hundred twenty-one million, forty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 6089 11657 12178 18267 23314 24356 34971 36534 46628 48712 54801 69942 73068 93256 97424 104913 109602 139884 146136 186512 209826 219204 279768 292272 419652 438408 559536 839304 876816 1678608 70979473 141958946 212938419 283917892 425876838 567835784 638815257 851753676 1135671568 1277630514 1703507352 2555261028 3407014704 5110522056 10221044112