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2211452410912 = 251723394118541
BaseRepresentation
bin100000001011100100110…
…101011101110000100000
321211102010220212021210121
4200023210311131300200
5242213023304122122
64411532140010024
7315525565225123
oct40134465356040
97742126767717
102211452410912
11782965262898
122b8716b30914
13130701440044
147906b96a3ba
153c7d1aa8bc7
hex202e4d5dc20

2211452410912 has 96 divisors (see below), whose sum is σ = 4634857556784. Its totient is φ = 1035060019200.

The previous prime is 2211452410903. The next prime is 2211452410913. The reversal of 2211452410912 is 2190142541122.

It can be written as a sum of positive squares in 8 ways, for example, as 1181560304016 + 1029892106896 = 1086996^2 + 1014836^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2211452410913) 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 15 ways as a sum of consecutive naturals, for example, 119264362 + ... + 119282902.

Almost surely, 22211452410912 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 2211452410912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2317428778392).

2211452410912 is an abundant number, since it is smaller than the sum of its proper divisors (2423405145872).

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

2211452410912 is a wasteful number, since it uses less digits than its factorization.

2211452410912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19742 (or 19734 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 2211452410912 in words is "two trillion, two hundred eleven billion, four hundred fifty-two million, four hundred ten thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 68 136 233 272 466 544 932 941 1864 1882 3728 3764 3961 7456 7528 7922 15056 15844 15997 18541 30112 31688 31994 37082 63376 63988 74164 126752 127976 148328 219253 255952 296656 315197 438506 511904 593312 630394 877012 1260788 1754024 2521576 3508048 3727301 4320053 5043152 7016096 7454602 8640106 10086304 14909204 17280212 17447081 29818408 34560424 34894162 59636816 69120848 69788324 73440901 119273632 138241696 139576648 146881802 279153296 293763604 296600377 558306592 587527208 593200754 1175054416 1186401508 2350108832 2372803016 4065169873 4745606032 8130339746 9491212064 16260679492 32521358984 65042717968 69107887841 130085435936 138215775682 276431551364 552863102728 1105726205456 2211452410912