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1010020003123 = 5319056981191
BaseRepresentation
bin11101011001010011110…
…00100010110100110011
310120120001000211022201211
432230221320202310303
5113022010110044443
62051555145540551
7132654144242065
oct16545170426463
93516030738654
101010020003123
1135a38aa6260a
121438b97a4757
137432416a981
1436c570d5735
151b41627619d
hexeb29e22d33

1010020003123 has 4 divisors (see below), whose sum is σ = 1029076984368. Its totient is φ = 990963021880.

The previous prime is 1010020003093. The next prime is 1010020003189. The reversal of 1010020003123 is 3213000200101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010020003123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010020003193) 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, 9528490543 + ... + 9528490648.

It is an arithmetic number, because the mean of its divisors is an integer number (257269246092).

Almost surely, 21010020003123 is an apocalyptic number.

1010020003123 is a deficient number, since it is larger than the sum of its proper divisors (19056981245).

1010020003123 is an equidigital number, since it uses as much as digits as its factorization.

1010020003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19056981244.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1010020003123 its reverse (3213000200101), we get a palindrome (4223020203224).

The spelling of 1010020003123 in words is "one trillion, ten billion, twenty million, three thousand, one hundred twenty-three".

Divisors: 1 53 19056981191 1010020003123