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6930907947 = 32770100883
BaseRepresentation
bin1100111010001110…
…10100001100101011
3122220000201121022100
412131013110030223
5103143303023242
63103425224443
7333516513465
oct63507241453
918800647270
106930907947
112a373537a7
121415192123
13865bc4782
1449a6d3135
152a871c54c
hex19d1d432b

6930907947 has 6 divisors (see below), whose sum is σ = 10011311492. Its totient is φ = 4620605292.

The previous prime is 6930907937. The next prime is 6930907957. The reversal of 6930907947 is 7497090396.

It is an interprime number because it is at equal distance from previous prime (6930907937) and next prime (6930907957).

It is not a de Polignac number, because 6930907947 - 223 = 6922519339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6930907893 and 6930907902.

It is not an unprimeable number, because it can be changed into a prime (6930907937) 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 5 ways as a sum of consecutive naturals, for example, 385050433 + ... + 385050450.

Almost surely, 26930907947 is an apocalyptic number.

6930907947 is a deficient number, since it is larger than the sum of its proper divisors (3080403545).

6930907947 is a wasteful number, since it uses less digits than its factorization.

6930907947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770100889 (or 770100886 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 6930907947 is about 83252.0747309039. The cubic root of 6930907947 is about 1906.6166308810.

The spelling of 6930907947 in words is "six billion, nine hundred thirty million, nine hundred seven thousand, nine hundred forty-seven".

Divisors: 1 3 9 770100883 2310302649 6930907947