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133121003123213 = 7472395872884129
BaseRepresentation
bin11110010001001010100110…
…000110100111001000001101
3122110100020120121000010001222
4132101022212012213020031
5114422023303244420323
61151042540010213125
740016450361430460
oct3621124606471015
9573306517003058
10133121003123213
1139464333895376
1212b1b8aa7241a5
135938345061081
1424c313b71d2d7
15105cbb1d8e9c8
hex7912a61a720d

133121003123213 has 32 divisors (see below), whose sum is σ = 156291235430400. Its totient is φ = 111019223637504.

The previous prime is 133121003123183. The next prime is 133121003123257. The reversal of 133121003123213 is 312321300121331.

It is not a de Polignac number, because 133121003123213 - 222 = 133120998928909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133121003023213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44714333 + ... + 47598461.

It is an arithmetic number, because the mean of its divisors is an integer number (4884101107200).

Almost surely, 2133121003123213 is an apocalyptic number.

It is an amenable number.

133121003123213 is a deficient number, since it is larger than the sum of its proper divisors (23170232307187).

133121003123213 is a wasteful number, since it uses less digits than its factorization.

133121003123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885009.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 133121003123213 its reverse (312321300121331), we get a palindrome (445442303244544).

The spelling of 133121003123213 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, three million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 7 47 239 329 587 1673 4109 11233 27589 78631 140293 193123 982051 2884129 6593771 20188903 46156397 135554063 689306831 948878441 1692983723 4825147817 11850886061 32397421057 79570234981 226781947399 404623109797 556991644867 2832361768579 19017286160459 133121003123213