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2152311213225 = 352317333126241
BaseRepresentation
bin11111010100011111101…
…111101100110010101001
321121202111021021011100110
4133110133233230302221
5240230413132310400
64324431430524533
7311333164312215
oct37243757546251
97552437234313
102152311213225
1175a876629708
122a9170806749
13127c678b3804
147625b18b945
153aebe945e50
hex1f51fbecca9

2152311213225 has 48 divisors (see below), whose sum is σ = 3673807829504. Its totient is φ = 1110710016000.

The previous prime is 2152311213211. The next prime is 2152311213259. The reversal of 2152311213225 is 5223121132512.

It is not a de Polignac number, because 2152311213225 - 210 = 2152311212201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2152311213192 and 2152311213201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16986105 + ... + 17112345.

Almost surely, 22152311213225 is an apocalyptic number.

2152311213225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2152311213225 is a deficient number, since it is larger than the sum of its proper divisors (1521496616279).

2152311213225 is a wasteful number, since it uses less digits than its factorization.

2152311213225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133618 (or 133613 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

Adding to 2152311213225 its reverse (5223121132512), we get a palindrome (7375432345737).

The spelling of 2152311213225 in words is "two trillion, one hundred fifty-two billion, three hundred eleven million, two hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 31 75 93 155 465 775 2325 7333 21999 36665 109995 126241 183325 227323 378723 549975 631205 681969 1136615 1893615 3156025 3409845 3913471 5683075 9468075 11740413 17049225 19567355 58702065 97836775 293510325 925725253 2777175759 4628626265 13885878795 23143131325 28697482843 69429393975 86092448529 143487414215 430462242645 717437071075 2152311213225