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191430013212293 is a prime number
BaseRepresentation
bin101011100001101011000101…
…111011111101011010000101
3221002210112022202112202110012
4223201223011323331122011
5200042342131340243133
61515045422314240005
755215235116455012
oct5341530573753205
9832715282482405
10191430013212293
1155aa50159851a9
1219578504126005
1382a7a07a7a34b
14353b3951c8709
15171e802144b48
hexae1ac5efd685

191430013212293 has 2 divisors, whose sum is σ = 191430013212294. Its totient is φ = 191430013212292.

The previous prime is 191430013212289. The next prime is 191430013212349. The reversal of 191430013212293 is 392212310034191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167956986271684 + 23473026940609 = 12959822^2 + 4844897^2 .

It is a cyclic number.

It is not a de Polignac number, because 191430013212293 - 22 = 191430013212289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 191430013212293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191430013212793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95715006606146 + 95715006606147.

It is an arithmetic number, because the mean of its divisors is an integer number (95715006606147).

Almost surely, 2191430013212293 is an apocalyptic number.

It is an amenable number.

191430013212293 is a deficient number, since it is larger than the sum of its proper divisors (1).

191430013212293 is an equidigital number, since it uses as much as digits as its factorization.

191430013212293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 191430013212293 in words is "one hundred ninety-one trillion, four hundred thirty billion, thirteen million, two hundred twelve thousand, two hundred ninety-three".