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10000287023 = 71190773859
BaseRepresentation
bin10010101000001000…
…00100010100101111
3221210221022012211212
421110010010110233
5130440033141043
64332152505035
7502550015516
oct112404042457
927727265755
1010000287023
1142719a0721
121b310ab17b
13c34a8accc
146ac1d967d
153d7e18018
hex25410452f

10000287023 has 8 divisors (see below), whose sum is σ = 10146591360. Its totient is φ = 9854134360.

The previous prime is 10000286977. The next prime is 10000287041. The reversal of 10000287023 is 32078200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10000287023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10000287023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000287053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98468 + ... + 172326.

It is an arithmetic number, because the mean of its divisors is an integer number (1268323920).

Almost surely, 210000287023 is an apocalyptic number.

10000287023 is a deficient number, since it is larger than the sum of its proper divisors (146304337).

10000287023 is an equidigital number, since it uses as much as digits as its factorization.

10000287023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75837.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 10000287023 its reverse (32078200001), we get a palindrome (42078487024).

The spelling of 10000287023 in words is "ten billion, two hundred eighty-seven thousand, twenty-three".

Divisors: 1 71 1907 73859 135397 5243989 140849113 10000287023