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6890538335 = 51378107667
BaseRepresentation
bin1100110101011010…
…10100010101011111
3122210012202121121112
412122231110111133
5103102434211320
63055424052235
7332516416022
oct63255242537
918705677545
106890538335
112a1659048a
12140376407b
1385a72b925
144951c51b9
152a4de5ec5
hex19ab5455f

6890538335 has 4 divisors (see below), whose sum is σ = 8268646008. Its totient is φ = 5512430664.

The previous prime is 6890538307. The next prime is 6890538337. The reversal of 6890538335 is 5338350986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6890538335 - 212 = 6890534239 is a prime.

It is a super-2 number, since 2×68905383352 = 94959037092209144450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890538337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689053829 + ... + 689053838.

It is an arithmetic number, because the mean of its divisors is an integer number (2067161502).

Almost surely, 26890538335 is an apocalyptic number.

6890538335 is a deficient number, since it is larger than the sum of its proper divisors (1378107673).

6890538335 is a wasteful number, since it uses less digits than its factorization.

6890538335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378107672.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 6890538335 is about 83009.2665610292. The cubic root of 6890538335 is about 1902.9076749167.

The spelling of 6890538335 in words is "six billion, eight hundred ninety million, five hundred thirty-eight thousand, three hundred thirty-five".

Divisors: 1 5 1378107667 6890538335