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100140108401 = 439632277827
BaseRepresentation
bin101110101000011010…
…0001100101001110001
3100120110221021120211202
41131100310030221301
53120041331432101
6114000450020545
710143364606544
oct1352064145161
9316427246752
10100140108401
1139518531673
12174a8877755
13959b857218
144bbd8d285b
1529116b336b
hex1750d0ca71

100140108401 has 4 divisors (see below), whose sum is σ = 100142430192. Its totient is φ = 100137786612.

The previous prime is 100140108389. The next prime is 100140108451. The reversal of 100140108401 is 104801041001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100140108401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100140108451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094951 + ... + 1182876.

It is an arithmetic number, because the mean of its divisors is an integer number (25035607548).

Almost surely, 2100140108401 is an apocalyptic number.

It is an amenable number.

100140108401 is a deficient number, since it is larger than the sum of its proper divisors (2321791).

100140108401 is an equidigital number, since it uses as much as digits as its factorization.

100140108401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321790.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100140108401 its reverse (104801041001), we get a palindrome (204941149402).

The spelling of 100140108401 in words is "one hundred billion, one hundred forty million, one hundred eight thousand, four hundred one".

Divisors: 1 43963 2277827 100140108401