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2120225312 = 251761181353
BaseRepresentation
bin111111001100000…
…0001001000100000
312110202120121100102
41332120001020200
513320234202222
6550215441532
7103353421622
oct17630011040
95422517312
102120225312
119988a2727
124b20862a8
1327a34c9ba
14161832c12
15c620ed92
hex7e601220

2120225312 has 96 divisors (see below), whose sum is σ = 4529803824. Its totient is φ = 973209600.

The previous prime is 2120225309. The next prime is 2120225347. The reversal of 2120225312 is 2135220212.

It can be written as a sum of positive squares in 8 ways, for example, as 123565456 + 1996659856 = 11116^2 + 44684^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6006128 + ... + 6006480.

Almost surely, 22120225312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120225312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264901912).

2120225312 is an abundant number, since it is smaller than the sum of its proper divisors (2409578512).

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

2120225312 is a wasteful number, since it uses less digits than its factorization.

2120225312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2120225312 is about 46045.9043998486. The cubic root of 2120225312 is about 1284.6771659947.

Adding to 2120225312 its reverse (2135220212), we get a palindrome (4255445524).

The spelling of 2120225312 in words is "two billion, one hundred twenty million, two hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 61 68 122 136 181 244 272 353 362 488 544 706 724 976 1037 1412 1448 1952 2074 2824 2896 3077 4148 5648 5792 6001 6154 8296 11041 11296 12002 12308 16592 21533 22082 24004 24616 33184 43066 44164 48008 49232 63893 86132 88328 96016 98464 127786 172264 176656 187697 192032 255572 344528 353312 366061 375394 511144 689056 732122 750788 1022288 1086181 1464244 1501576 2044576 2172362 2928488 3003152 3897473 4344724 5856976 6006304 7794946 8689448 11713952 15589892 17378896 31179784 34757792 62359568 66257041 124719136 132514082 265028164 530056328 1060112656 2120225312