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19001886900071 is a prime number
BaseRepresentation
bin1000101001000001110001…
…01101111111111101100111
32111021120012011120112110112
410110200320231333331213
54442311331021300241
6104225202450243235
74000561320452135
oct424407055777547
974246164515415
1019001886900071
116066722860099
12216a83958651b
13a7ab40c1321a
144999a666c755
1522e4390e11eb
hex114838b7ff67

19001886900071 has 2 divisors, whose sum is σ = 19001886900072. Its totient is φ = 19001886900070.

The previous prime is 19001886900047. The next prime is 19001886900091. The reversal of 19001886900071 is 17000968810091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19001886900071 - 230 = 19000813158247 is a prime.

It is a super-2 number, since 2×190018869000712 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19001886899992 and 19001886900019.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19001886900091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9500943450035 + 9500943450036.

It is an arithmetic number, because the mean of its divisors is an integer number (9500943450036).

Almost surely, 219001886900071 is an apocalyptic number.

19001886900071 is a deficient number, since it is larger than the sum of its proper divisors (1).

19001886900071 is an equidigital number, since it uses as much as digits as its factorization.

19001886900071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 50.

The spelling of 19001886900071 in words is "nineteen trillion, one billion, eight hundred eighty-six million, nine hundred thousand, seventy-one".