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6890292539 = 13530022503
BaseRepresentation
bin1100110101011000…
…11000010100111011
3122210012022010102222
412122230120110323
5103102403330124
63055414514255
7332514343304
oct63254302473
918705263388
106890292539
112a16432849
12140366598b
1385a673aa0
1449515d7ab
152a4d9825e
hex19ab1853b

6890292539 has 4 divisors (see below), whose sum is σ = 7420315056. Its totient is φ = 6360270024.

The previous prime is 6890292533. The next prime is 6890292571. The reversal of 6890292539 is 9352920986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9352920986 = 24676460493.

It is a cyclic number.

It is not a de Polignac number, because 6890292539 - 224 = 6873515323 is a prime.

It is a super-2 number, since 2×68902925392 = 94952262545998133042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6890292533) 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 3 ways as a sum of consecutive naturals, for example, 265011239 + ... + 265011264.

It is an arithmetic number, because the mean of its divisors is an integer number (1855078764).

Almost surely, 26890292539 is an apocalyptic number.

6890292539 is a deficient number, since it is larger than the sum of its proper divisors (530022517).

6890292539 is a wasteful number, since it uses less digits than its factorization.

6890292539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530022516.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 6890292539 is about 83007.7860143252. The cubic root of 6890292539 is about 1902.8850481091.

The spelling of 6890292539 in words is "six billion, eight hundred ninety million, two hundred ninety-two thousand, five hundred thirty-nine".

Divisors: 1 13 530022503 6890292539