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225201331133320 = 23597177217327517
BaseRepresentation
bin110011001101000111000101…
…010110000101101110001000
31002112101000222222020221202211
4303031013011112011232020
5214004144311232231240
62114544021401034504
765302154631445003
oct6315070526055610
91075330888227684
10225201331133320
1165835391490223
122131163a185a34
139887518671a99
143d87b3441253a
151b0800b8aabea
hexccd1c5585b88

225201331133320 has 64 divisors (see below), whose sum is σ = 511931189029680. Its totient is φ = 89151091900416.

The previous prime is 225201331133297. The next prime is 225201331133321. The reversal of 225201331133320 is 23331133102522.

It can be written as a sum of positive squares in 8 ways, for example, as 62567372282116 + 162633958851204 = 7909954^2 + 12752802^2 .

It is a super-2 number, since 2×2252013311333202 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225201331133321) 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, 687438202 + ... + 687765718.

Almost surely, 2225201331133320 is an apocalyptic number.

225201331133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225201331133320 is an abundant number, since it is smaller than the sum of its proper divisors (286729857896360).

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

225201331133320 is a wasteful number, since it uses less digits than its factorization.

225201331133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504842 (or 504838 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 225201331133320 its reverse (23331133102522), we get a palindrome (248532464235842).

The spelling of 225201331133320 in words is "two hundred twenty-five trillion, two hundred one billion, three hundred thirty-one million, one hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 177217 327517 354434 655034 708868 886085 1310068 1417736 1637585 1772170 2620136 3275170 3544340 6550340 7088680 13100680 17190049 31769149 34380098 63538298 68760196 85950245 127076596 137520392 158845745 171900490 254153192 317691490 343800980 635382980 687601960 1270765960 58041580189 116083160378 232166320756 290207900945 464332641512 580415801890 1160831603780 2321663207560 5630033278333 11260066556666 22520133113332 28150166391665 45040266226664 56300332783330 112600665566660 225201331133320