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1000101899 = 1019901999
BaseRepresentation
bin111011100111000…
…101100000001011
32120200212102220002
4323213011200023
54022011230044
6243123353215
733532503656
oct7347054013
92520772802
101000101899
114735933a5
1223ab2280b
1312c274694
1496b7689d
155cc0174e
hex3b9c580b

1000101899 has 4 divisors (see below), whose sum is σ = 1010004000. Its totient is φ = 990199800.

The previous prime is 1000101887. The next prime is 1000101911. The reversal of 1000101899 is 9981010001.

1000101899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9981010001 = 51971920533.

It is an interprime number because it is at equal distance from previous prime (1000101887) and next prime (1000101911).

It is a cyclic number.

It is not a de Polignac number, because 1000101899 - 212 = 1000097803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000101829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950899 + ... + 4951100.

It is an arithmetic number, because the mean of its divisors is an integer number (252501000).

Almost surely, 21000101899 is an apocalyptic number.

1000101899 is a deficient number, since it is larger than the sum of its proper divisors (9902101).

1000101899 is an equidigital number, since it uses as much as digits as its factorization.

1000101899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902100.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 1000101899 is about 31624.3877252983. The cubic root of 1000101899 is about 1000.0339651797.

The spelling of 1000101899 in words is "one billion, one hundred one thousand, eight hundred ninety-nine".

Divisors: 1 101 9901999 1000101899