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130440024103221 = 357231081352463
BaseRepresentation
bin11101101010001001101111…
…010011010001100100110101
3122002211221111112222202200000
4131222021233103101210311
5114044112132132300341
61141231153025341513
736321660252652200
oct3552115723214465
9562757445882600
10130440024103221
1138620338050788
1212768198197899
1357a2597c64a31
14242d48bc04937
15101309eb3a8b6
hex76a26f4d1935

130440024103221 has 72 divisors (see below), whose sum is σ = 227300274923904. Its totient is φ = 74534547003840.

The previous prime is 130440024103211. The next prime is 130440024103267. The reversal of 130440024103221 is 122301420044031.

130440024103221 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 400 + 24 + 10 + 3 + 221 = 666.

It is not a de Polignac number, because 130440024103221 - 211 = 130440024101173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440024103211) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 369905236 + ... + 370257698.

It is an arithmetic number, because the mean of its divisors is an integer number (3156948262832).

Almost surely, 2130440024103221 is an apocalyptic number.

It is an amenable number.

130440024103221 is a deficient number, since it is larger than the sum of its proper divisors (96860250820683).

130440024103221 is an equidigital number, since it uses as much as digits as its factorization.

130440024103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383573 (or 383554 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 130440024103221 its reverse (122301420044031), we get a palindrome (252741444147252).

The spelling of 130440024103221 in words is "one hundred thirty trillion, four hundred forty billion, twenty-four million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 243 441 567 1323 1701 3969 11907 31081 93243 217567 279729 352463 652701 839187 1057389 1522969 1958103 2467241 2517561 3172167 4568907 5874309 7401723 7552683 9516501 13706721 17270687 17622927 22205169 28549503 41120163 51812061 52868781 66615507 85648509 123360489 155436183 199846521 370081467 466308549 599539563 1398925647 4196776941 10954902503 32864707509 76684317521 98594122527 230052952563 295782367581 536790222647 690158857689 887347102743 1610370667941 2070476573067 2662041308229 4831112003823 6211429719201 14493336011469 18634289157603 43480008034407 130440024103221