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5207210001 = 327434873947
BaseRepresentation
bin1001101100101111…
…11011100000010001
3111102220021200020200
410312113323200101
541131021210001
62220412325413
7243016361160
oct46627734021
914386250220
105207210001
112232374a44
121013a73869
1364ca6b866
143757dd3d7
15207237086
hex1365fb811

5207210001 has 48 divisors (see below), whose sum is σ = 8816231424. Its totient is φ = 2899647072.

The previous prime is 5207209991. The next prime is 5207210003. The reversal of 5207210001 is 1000127025.

It is not a de Polignac number, because 5207210001 - 29 = 5207209489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5207210003) 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 47 ways as a sum of consecutive naturals, for example, 1317310 + ... + 1321256.

It is an arithmetic number, because the mean of its divisors is an integer number (183671488).

Almost surely, 25207210001 is an apocalyptic number.

It is an amenable number.

5207210001 is a deficient number, since it is larger than the sum of its proper divisors (3609021423).

5207210001 is a wasteful number, since it uses less digits than its factorization.

5207210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4487 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5207210001 is about 72161.0005543160. Note that the first 3 decimals coincide. The cubic root of 5207210001 is about 1733.2785568941.

Adding to 5207210001 its reverse (1000127025), we get a palindrome (6207337026).

The spelling of 5207210001 in words is "five billion, two hundred seven million, two hundred ten thousand, one".

Divisors: 1 3 7 9 21 43 63 129 301 387 487 903 1461 2709 3409 3947 4383 10227 11841 20941 27629 30681 35523 62823 82887 146587 169721 188469 248661 439761 509163 1188047 1319283 1527489 1922189 3564141 5766567 10692423 13455323 17299701 40365969 82654127 121097907 247962381 578578889 743887143 1735736667 5207210001