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100145402251 is a prime number
BaseRepresentation
bin101110101000100100…
…0011001000110001011
3100120111022020112122021
41131101020121012023
53120044210333001
6114001155305311
710143460605526
oct1352110310613
9316438215567
10100145402251
1139520517a54
12174aa5ab237
13959c98b98b
144bc04adbbd
152911dabba1
hex175121918b

100145402251 has 2 divisors, whose sum is σ = 100145402252. Its totient is φ = 100145402250.

The previous prime is 100145402239. The next prime is 100145402261. The reversal of 100145402251 is 152204541001.

It is a strong prime.

It is an emirp because it is prime and its reverse (152204541001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100145402251 - 213 = 100145394059 is a prime.

It is not a weakly prime, because it can be changed into another prime (100145402261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50072701125 + 50072701126.

It is an arithmetic number, because the mean of its divisors is an integer number (50072701126).

Almost surely, 2100145402251 is an apocalyptic number.

100145402251 is a deficient number, since it is larger than the sum of its proper divisors (1).

100145402251 is an equidigital number, since it uses as much as digits as its factorization.

100145402251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 100145402251 its reverse (152204541001), we get a palindrome (252349943252).

The spelling of 100145402251 in words is "one hundred billion, one hundred forty-five million, four hundred two thousand, two hundred fifty-one".