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213003202225 = 52112711285709
BaseRepresentation
bin1100011001011111111…
…0101110111010110001
3202100210120002210120211
43012113332232322301
511442212304432400
6241504033504121
721250263226402
oct3062776567261
9670716083524
10213003202225
1182374833520
1235346412041
1317117272588
14a4490419a9
155819d09dba
hex3197faeeb1

213003202225 has 24 divisors (see below), whose sum is σ = 288242533440. Its totient is φ = 154853736000.

The previous prime is 213003202199. The next prime is 213003202229. The reversal of 213003202225 is 522202300312.

It is a de Polignac number, because none of the positive numbers 2k-213003202225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213003202196 and 213003202205.

It is not an unprimeable number, because it can be changed into a prime (213003202229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602671 + ... + 888379.

It is an arithmetic number, because the mean of its divisors is an integer number (12010105560).

Almost surely, 2213003202225 is an apocalyptic number.

213003202225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213003202225 is a deficient number, since it is larger than the sum of its proper divisors (75239331215).

213003202225 is a wasteful number, since it uses less digits than its factorization.

213003202225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288441 (or 288436 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 213003202225 its reverse (522202300312), we get a palindrome (735205502537).

The spelling of 213003202225 in words is "two hundred thirteen billion, three million, two hundred two thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 2711 13555 29821 67775 149105 285709 745525 1428545 3142799 7142725 15713995 78569975 774557099 3872785495 8520128089 19363927475 42600640445 213003202225