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6830407537069 = 13195178474251
BaseRepresentation
bin110001101100101010000…
…0000111101000110101101
3220011222110211211020000111
41203121110000331012231
51343402133312141234
622305502414300021
71303323603054604
oct143312400750655
926158424736014
106830407537069
1121a3839a93876
129239417b7611
133a7148c5164c
14198844766a3b
15bca1ba55664
hex6365403d1ad

6830407537069 has 4 divisors (see below), whose sum is σ = 6835586012640. Its totient is φ = 6825229061500.

The previous prime is 6830407537061. The next prime is 6830407537073. The reversal of 6830407537069 is 9607357040386.

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 6830407537069 - 23 = 6830407537061 is a prime.

It is a super-2 number, since 2×68304075370692 (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6830407537061) 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, 2589235807 + ... + 2589238444.

It is an arithmetic number, because the mean of its divisors is an integer number (1708896503160).

Almost surely, 26830407537069 is an apocalyptic number.

It is an amenable number.

6830407537069 is a deficient number, since it is larger than the sum of its proper divisors (5178475571).

6830407537069 is a wasteful number, since it uses less digits than its factorization.

6830407537069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178475570.

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 6830407537069 in words is "six trillion, eight hundred thirty billion, four hundred seven million, five hundred thirty-seven thousand, sixty-nine".

Divisors: 1 1319 5178474251 6830407537069