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2152231113222 = 2324312312258863
BaseRepresentation
bin11111010100011010111…
…110001001001000000110
321121202021200112122210200
4133110122332021020012
5240230232131110342
64324415450031330
7311331202421421
oct37243276111006
97552250478720
102152231113222
1175a83539a363
122a9149a18546
13127c54119a68
147625069a9b8
153aeb78c294c
hex1f51af89206

2152231113222 has 48 divisors (see below), whose sum is σ = 4775491488768. Its totient is φ = 700156865520.

The previous prime is 2152231113191. The next prime is 2152231113311. The reversal of 2152231113222 is 2223111322512.

2152231113222 is a `hidden beast` number, since 2 + 1 + 5 + 22 + 311 + 1 + 322 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176638 + ... + 2082225.

It is an arithmetic number, because the mean of its divisors is an integer number (99489406016).

Almost surely, 22152231113222 is an apocalyptic number.

2152231113222 is an abundant number, since it is smaller than the sum of its proper divisors (2623260375546).

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

2152231113222 is a wasteful number, since it uses less digits than its factorization.

2152231113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260145 (or 2260142 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 2152231113222 its reverse (2223111322512), we get a palindrome (4375342435734).

The spelling of 2152231113222 in words is "two trillion, one hundred fifty-two billion, two hundred thirty-one million, one hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 43 86 129 258 387 774 1231 2462 3693 7386 11079 22158 52933 105866 158799 317598 476397 952794 2258863 4517726 6776589 13553178 20329767 40659534 97131109 194262218 291393327 582786654 874179981 1748359962 2780660353 5561320706 8341981059 16683962118 25025943177 50051886354 119568395179 239136790358 358705185537 717410371074 1076115556611 2152231113222