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6931413797 = 71190018361
BaseRepresentation
bin1100111010010010…
…01111101100100101
3122220001200022012112
412131021033230211
5103143420220142
63103444130405
7333524021330
oct63511175445
918801608175
106931413797
112a37669860
121415396a05
13866040aa9
1449a7c5617
152a87bc382
hex19d24fb25

6931413797 has 8 divisors (see below), whose sum is σ = 8641762752. Its totient is φ = 5401101600.

The previous prime is 6931413787. The next prime is 6931413803. The reversal of 6931413797 is 7973141396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6931413797 - 210 = 6931412773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6931413707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45009104 + ... + 45009257.

It is an arithmetic number, because the mean of its divisors is an integer number (1080220344).

Almost surely, 26931413797 is an apocalyptic number.

It is an amenable number.

6931413797 is a deficient number, since it is larger than the sum of its proper divisors (1710348955).

6931413797 is a wasteful number, since it uses less digits than its factorization.

6931413797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90018379.

The product of its digits is 857304, while the sum is 50.

The square root of 6931413797 is about 83255.1127378974. The cubic root of 6931413797 is about 1906.6630143451.

The spelling of 6931413797 in words is "six billion, nine hundred thirty-one million, four hundred thirteen thousand, seven hundred ninety-seven".

Divisors: 1 7 11 77 90018361 630128527 990201971 6931413797