Search a number
-
+
280010901091 is a prime number
BaseRepresentation
bin1000001001100011111…
…00110100011001100011
3222202202102220120222111
410010301330310121203
514041430242313331
6332345113220151
726141634250135
oct4046174643143
9882672816874
10280010901091
11a882a943449
1246327101657
132053579ca2c
14d7a4497055
15743c897db1
hex4131f34663

280010901091 has 2 divisors, whose sum is σ = 280010901092. Its totient is φ = 280010901090.

The previous prime is 280010901061. The next prime is 280010901113. The reversal of 280010901091 is 190109010082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280010901091 - 27 = 280010900963 is a prime.

It is a super-2 number, since 2×2800109010912 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (280010901061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140005450545 + 140005450546.

It is an arithmetic number, because the mean of its divisors is an integer number (140005450546).

Almost surely, 2280010901091 is an apocalyptic number.

280010901091 is a deficient number, since it is larger than the sum of its proper divisors (1).

280010901091 is an equidigital number, since it uses as much as digits as its factorization.

280010901091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 280010901091 in words is "two hundred eighty billion, ten million, nine hundred one thousand, ninety-one".