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13168078890 = 235438935963
BaseRepresentation
bin11000100001110000…
…01111000000101010
31020222201001201100120
430100320033000222
5203432012011030
610014353344110
7644213552361
oct142070170052
936881051316
1013168078890
11564804562a
122675b68036
13131b160775
148ccbdc7d8
155210a3010
hex310e0f02a

13168078890 has 16 divisors (see below), whose sum is σ = 31603389408. Its totient is φ = 3511487696.

The previous prime is 13168078879. The next prime is 13168078951. The reversal of 13168078890 is 9887086131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219467952 + ... + 219468011.

It is an arithmetic number, because the mean of its divisors is an integer number (1975211838).

Almost surely, 213168078890 is an apocalyptic number.

13168078890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13168078890 is an abundant number, since it is smaller than the sum of its proper divisors (18435310518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13168078890 is a wasteful number, since it uses less digits than its factorization.

13168078890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438935973.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 13168078890 in words is "thirteen billion, one hundred sixty-eight million, seventy-eight thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 438935963 877871926 1316807889 2194679815 2633615778 4389359630 6584039445 13168078890