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5012123001 = 31670707667
BaseRepresentation
bin1001010101011111…
…01110110101111001
3110221022012020012020
410222233232311321
540231100414001
62145203105053
7235130225334
oct45257566571
913838166166
105012123001
112142238216
12b7a672189
1361b514872
1435793961b
151e504d736
hex12abeed79

5012123001 has 4 divisors (see below), whose sum is σ = 6682830672. Its totient is φ = 3341415332.

The previous prime is 5012122991. The next prime is 5012123003. The reversal of 5012123001 is 1003212105.

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 not a de Polignac number, because 5012123001 - 210 = 5012121977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5012123003) 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, 835353831 + ... + 835353836.

It is an arithmetic number, because the mean of its divisors is an integer number (1670707668).

Almost surely, 25012123001 is an apocalyptic number.

It is an amenable number.

5012123001 is a deficient number, since it is larger than the sum of its proper divisors (1670707671).

5012123001 is a wasteful number, since it uses less digits than its factorization.

5012123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670707670.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 5012123001 is about 70796.3487829704. The cubic root of 5012123001 is about 1711.3568339182.

Adding to 5012123001 its reverse (1003212105), we get a palindrome (6015335106).

The spelling of 5012123001 in words is "five billion, twelve million, one hundred twenty-three thousand, one".

Divisors: 1 3 1670707667 5012123001