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140081178091 is a prime number
BaseRepresentation
bin1000001001110101111…
…1010010010111101011
3111101120111110011011011
42002131133102113223
54243341240144331
6144204041444351
713056225240061
oct2023537222753
9441514404134
10140081178091
115445419a478
1223194aa06b7
131029564567a
146acc320031
15399ce093b1
hex209d7d25eb

140081178091 has 2 divisors, whose sum is σ = 140081178092. Its totient is φ = 140081178090.

The previous prime is 140081178067. The next prime is 140081178101. The reversal of 140081178091 is 190871180041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140081178091 is a prime.

It is not a weakly prime, because it can be changed into another prime (140081170091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70040589045 + 70040589046.

It is an arithmetic number, because the mean of its divisors is an integer number (70040589046).

Almost surely, 2140081178091 is an apocalyptic number.

140081178091 is a deficient number, since it is larger than the sum of its proper divisors (1).

140081178091 is an equidigital number, since it uses as much as digits as its factorization.

140081178091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 40.

The spelling of 140081178091 in words is "one hundred forty billion, eighty-one million, one hundred seventy-eight thousand, ninety-one".