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6968532155 = 513177760331
BaseRepresentation
bin1100111110101101…
…10101110010111011
3122222122112010000112
412133112311302323
5103232421012110
63111251454535
7334454355164
oct63726656273
918878463015
106968532155
112a56611392
1214258b744b
13870938b10
144a16c876b
152abba0405
hex19f5b5cbb

6968532155 has 16 divisors (see below), whose sum is σ = 9010704864. Its totient is φ = 5143011840.

The previous prime is 6968532149. The next prime is 6968532173. The reversal of 6968532155 is 5512358696.

It is not a de Polignac number, because 6968532155 - 24 = 6968532139 is a prime.

It is a super-3 number, since 3×69685321553 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85340 + ... + 145670.

It is an arithmetic number, because the mean of its divisors is an integer number (563169054).

Almost surely, 26968532155 is an apocalyptic number.

6968532155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6968532155 is a deficient number, since it is larger than the sum of its proper divisors (2042172709).

6968532155 is a wasteful number, since it uses less digits than its factorization.

6968532155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62126.

The product of its digits is 1944000, while the sum is 50.

The square root of 6968532155 is about 83477.7344865084. The cubic root of 6968532155 is about 1910.0604089882.

The spelling of 6968532155 in words is "six billion, nine hundred sixty-eight million, five hundred thirty-two thousand, one hundred fifty-five".

Divisors: 1 5 13 65 1777 8885 23101 60331 115505 301655 784303 3921515 107208187 536040935 1393706431 6968532155