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11167116880 = 245139588961
BaseRepresentation
bin10100110011001110…
…01010111001010000
31001211020220022111111
422121213022321100
5140332240220010
65044034023104
7543505633033
oct123147127120
931736808444
1011167116880
114810601217
1221b7a17a94
13108c73a58a
1477d17301a
154555a058a
hex2999cae50

11167116880 has 20 divisors (see below), whose sum is σ = 25963546932. Its totient is φ = 4466846720.

The previous prime is 11167116841. The next prime is 11167116931. The reversal of 11167116880 is 8861176111.

It can be written as a sum of positive squares in 2 ways, for example, as 4592501824 + 6574615056 = 67768^2 + 81084^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69794401 + ... + 69794560.

Almost surely, 211167116880 is an apocalyptic number.

11167116880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11167116880 is an abundant number, since it is smaller than the sum of its proper divisors (14796430052).

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

11167116880 is a wasteful number, since it uses less digits than its factorization.

11167116880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139588974 (or 139588968 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 40.

The spelling of 11167116880 in words is "eleven billion, one hundred sixty-seven million, one hundred sixteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 139588961 279177922 558355844 697944805 1116711688 1395889610 2233423376 2791779220 5583558440 11167116880