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7006257000009 = 321289603935609
BaseRepresentation
bin110010111110100010101…
…1101011010111001001001
3220210210101002121111210100
41211331011131122321021
51404242303243000014
622522344030440013
71322120402613561
oct145750535327111
926723332544710
107006257000009
112261378473033
12951a39363009
133ba8c1a17cb7
141a3167223da1
15c23aeba0009
hex65f4575ae49

7006257000009 has 12 divisors (see below), whose sum is σ = 10128000179700. Its totient is φ = 4667214378624.

The previous prime is 7006257000007. The next prime is 7006257000079. The reversal of 7006257000009 is 9000007526007.

It can be written as a sum of positive squares in 2 ways, for example, as 6043101225984 + 963155774025 = 2458272^2 + 981405^2 .

It is not a de Polignac number, because 7006257000009 - 21 = 7006257000007 is a prime.

It is a super-2 number, since 2×70062570000092 (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7006257000007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301956204 + ... + 301979405.

It is an arithmetic number, because the mean of its divisors is an integer number (844000014975).

Almost surely, 27006257000009 is an apocalyptic number.

It is an amenable number.

7006257000009 is a deficient number, since it is larger than the sum of its proper divisors (3121743179691).

7006257000009 is a wasteful number, since it uses less digits than its factorization.

7006257000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603936904 (or 603936901 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 7006257000009 in words is "seven trillion, six billion, two hundred fifty-seven million, nine", and thus it is an aban number.

Divisors: 1 3 9 1289 3867 11601 603935609 1811806827 5435420481 778473000001 2335419000003 7006257000009