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2011134961 = 11564132411
BaseRepresentation
bin111011111011111…
…0111101111110001
312012011022020112001
41313313313233301
513104322304321
6531321334001
7100560236143
oct16767675761
95164266461
102011134961
11942262510
12481637301
132608756b4
14151156c93
15bb861c91
hex77df7bf1

2011134961 has 8 divisors (see below), whose sum is σ = 2194422048. Its totient is φ = 1827924000.

The previous prime is 2011134959. The next prime is 2011134967. The reversal of 2011134961 is 1694311102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011134961 - 21 = 2011134959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011134967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45846 + ... + 78256.

It is an arithmetic number, because the mean of its divisors is an integer number (274302756).

Almost surely, 22011134961 is an apocalyptic number.

It is an amenable number.

2011134961 is a deficient number, since it is larger than the sum of its proper divisors (183287087).

2011134961 is a wasteful number, since it uses less digits than its factorization.

2011134961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38063.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2011134961 is about 44845.6794016993. The cubic root of 2011134961 is about 1262.2549192736.

The spelling of 2011134961 in words is "two billion, eleven million, one hundred thirty-four thousand, nine hundred sixty-one".

Divisors: 1 11 5641 32411 62051 356521 182830451 2011134961