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130232213221221 = 32473020310193609
BaseRepresentation
bin11101100111001000001100…
…110011101010111101100101
3122002010002002212011011101200
4131213020030303222331211
5114032211033041034341
61140551504113113113
736300652435420356
oct3547101463527545
9562102085134350
10130232213221221
1138550198242301
1212733a60858799
135788aca6498b7
1424233b6607d2d
15100c98aac5db6
hex76720cceaf65

130232213221221 has 24 divisors (see below), whose sum is σ = 192121984978560. Its totient is φ = 84971388273216.

The previous prime is 130232213221207. The next prime is 130232213221249. The reversal of 130232213221221 is 122122312232031.

130232213221221 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 3 + 2 + 213 + 221 + 221 = 666.

It is not a de Polignac number, because 130232213221221 - 218 = 130232212959077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130232213226221) 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, 7679065 + ... + 17872673.

It is an arithmetic number, because the mean of its divisors is an integer number (8005082707440).

Almost surely, 2130232213221221 is an apocalyptic number.

It is an amenable number.

130232213221221 is a deficient number, since it is larger than the sum of its proper divisors (61889771757339).

130232213221221 is a wasteful number, since it uses less digits than its factorization.

130232213221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223865 (or 10223862 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 130232213221221 its reverse (122122312232031), we get a palindrome (252354525453252).

The spelling of 130232213221221 in words is "one hundred thirty trillion, two hundred thirty-two billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 3 9 47 141 423 30203 90609 271827 1419541 4258623 10193609 12775869 30580827 91742481 479099623 1437298869 4311896607 307877572627 923632717881 2770898153643 14470245913469 43410737740407 130232213221221