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1230042131701 = 8927763737829
BaseRepresentation
bin10001111001100100001…
…110010110110011110101
311100120221202021112011221
4101321210032112303311
5130123111241203301
62341023515430341
7154603406415565
oct21714416266365
94316852245157
101230042131701
11434726797309
1217a4827553b1
138bcb96119b6
144376a3bcda5
1521ee2387da1
hex11e64396cf5

1230042131701 has 16 divisors (see below), whose sum is σ = 1248708668400. Its totient is φ = 1211485828608.

The previous prime is 1230042131639. The next prime is 1230042131707. The reversal of 1230042131701 is 1071312400321.

It can be written as a sum of positive squares in 8 ways, for example, as 164409164676 + 1065632967025 = 405474^2 + 1032295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230042131701 - 219 = 1230041607413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230042131707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157109655 + ... + 157117483.

It is an arithmetic number, because the mean of its divisors is an integer number (78044291775).

Almost surely, 21230042131701 is an apocalyptic number.

It is an amenable number.

1230042131701 is a deficient number, since it is larger than the sum of its proper divisors (18666536699).

1230042131701 is an equidigital number, since it uses as much as digits as its factorization.

1230042131701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14568.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 1230042131701 in words is "one trillion, two hundred thirty billion, forty-two million, one hundred thirty-one thousand, seven hundred one".

Divisors: 1 89 277 6373 7829 24653 567197 696781 1765321 2168633 49894217 157113569 193008337 4440585313 13820698109 1230042131701