Search a number
-
+
162019145819 is a prime number
BaseRepresentation
bin1001011011100100010…
…1111111100001011011
3120111012101121101100102
42112321011333201123
510123303400131234
6202233000330015
714463662005466
oct2267105774133
9514171541312
10162019145819
1162791647313
1227497a7390b
131238068866b
147badb542dd
154333d82c7e
hex25b917f85b

162019145819 has 2 divisors, whose sum is σ = 162019145820. Its totient is φ = 162019145818.

The previous prime is 162019145807. The next prime is 162019145839. The reversal of 162019145819 is 918541910261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162019145819 - 212 = 162019141723 is a prime.

It is a super-3 number, since 3×1620191458193 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (162019145839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81009572909 + 81009572910.

It is an arithmetic number, because the mean of its divisors is an integer number (81009572910).

Almost surely, 2162019145819 is an apocalyptic number.

162019145819 is a deficient number, since it is larger than the sum of its proper divisors (1).

162019145819 is an equidigital number, since it uses as much as digits as its factorization.

162019145819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 162019145819 in words is "one hundred sixty-two billion, nineteen million, one hundred forty-five thousand, eight hundred nineteen".