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91068011 = 417330427
BaseRepresentation
bin1010110110110…
…01011001101011
320100100201211022
411123121121223
5141303134021
613011523055
72154031256
oct533313153
9210321738
1091068011
1147450821
12265b948b
1315b370c8
14c14809d
157edd1ab
hex56d966b

91068011 has 8 divisors (see below), whose sum is σ = 94570224. Its totient is φ = 87626880.

The previous prime is 91067993. The next prime is 91068013. The reversal of 91068011 is 11086019.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-91068011 is a prime.

It is a super-2 number, since 2×910680112 = 16586765254992242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91068013) 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, 12221 + ... + 18206.

It is an arithmetic number, because the mean of its divisors is an integer number (11821278).

Almost surely, 291068011 is an apocalyptic number.

91068011 is a deficient number, since it is larger than the sum of its proper divisors (3502213).

91068011 is a wasteful number, since it uses less digits than its factorization.

91068011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30541.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 91068011 is about 9542.9560933706. The cubic root of 91068011 is about 449.9061713838.

It can be divided in two parts, 910 and 68011, that added together give a cube (68921 = 413).

The spelling of 91068011 in words is "ninety-one million, sixty-eight thousand, eleven".

Divisors: 1 41 73 2993 30427 1247507 2221171 91068011