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10011211020191 = 791031230331943
BaseRepresentation
bin1001000110101110101010…
…1011010011011110011111
31022110001200111202002100102
42101223222223103132133
52303010430010121231
633143030432051315
72052200066423333
oct221535253233637
938401614662312
1010011211020191
11320a8046a1467
1211582a6393b3b
1357808c9c8194
1426878c04d7c3
151256342b6acb
hex91aeaad379f

10011211020191 has 8 divisors (see below), whose sum is σ = 10236361774080. Its totient is φ = 9788520930552.

The previous prime is 10011211020179. The next prime is 10011211020193. The reversal of 10011211020191 is 19102011211001.

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 10011211020191 - 222 = 10011206825887 is a prime.

It is a super-3 number, since 3×100112110201913 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011211020193) 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, 615157835 + ... + 615174108.

It is an arithmetic number, because the mean of its divisors is an integer number (1279545221760).

Almost surely, 210011211020191 is an apocalyptic number.

10011211020191 is a deficient number, since it is larger than the sum of its proper divisors (225150753889).

10011211020191 is a wasteful number, since it uses less digits than its factorization.

10011211020191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230332125.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 10011211020191 its reverse (19102011211001), we get a palindrome (29113222231192).

The spelling of 10011211020191 in words is "ten trillion, eleven billion, two hundred eleven million, twenty thousand, one hundred ninety-one".

Divisors: 1 79 103 8137 1230331943 97196223497 126724190129 10011211020191