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2211113313312 = 253178735113671
BaseRepresentation
bin100000001011010000100…
…111111010010000100000
321211101021021210100100020
4200023100213322100200
5242211330002011222
64411434343553440
7315514310026311
oct40132047722040
97741237710306
102211113313312
11782800904842
122b864145b880
13130679103387
14790388da608
153c7b1e2565c
hex202d09fa420

2211113313312 has 96 divisors (see below), whose sum is σ = 5810656932864. Its totient is φ = 736214918400.

The previous prime is 2211113313263. The next prime is 2211113313313. The reversal of 2211113313312 is 2133133111122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2211113313313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602317237 + ... + 602320907.

It is an arithmetic number, because the mean of its divisors is an integer number (60527676384).

Almost surely, 22211113313312 is an apocalyptic number.

It is an amenable number.

2211113313312 is an abundant number, since it is smaller than the sum of its proper divisors (3599543619552).

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

2211113313312 is a wasteful number, since it uses less digits than its factorization.

2211113313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8982 (or 8974 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

Adding to 2211113313312 its reverse (2133133111122), we get a palindrome (4344246424434).

The spelling of 2211113313312 in words is "two trillion, two hundred eleven billion, one hundred thirteen million, three hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1787 3511 3574 3671 5361 7022 7148 7342 10533 10722 11013 14044 14296 14684 21066 21444 22026 28088 28592 29368 42132 42888 44052 56176 57184 58736 84264 85776 88104 112352 117472 168528 171552 176208 337056 352416 6274157 6560077 12548314 12888881 13120154 18822471 19680231 25096628 25777762 26240308 37644942 38666643 39360462 50193256 51555524 52480616 75289884 77333286 78720924 100386512 103111048 104961232 150579768 154666572 157441848 200773024 206222096 209922464 301159536 309333144 314883696 412444192 602319072 618666288 629767392 1237332576 23032430347 46064860694 69097291041 92129721388 138194582082 184259442776 276389164164 368518885552 552778328328 737037771104 1105556656656 2211113313312