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90101031022111 = 3122313033564447
BaseRepresentation
bin10100011111001001000111…
…111100101010111000011111
3102211000120111202202222011011
4110133021013330222320133
543302203402420201421
6515343501531040051
724656404354140544
oct2437110774527037
9384016452688134
1090101031022111
11267886a60a044a
12a132224ba0027
133b3764c2a9615
141836cada48bcb
15a63b043744e1
hex51f247f2ae1f

90101031022111 has 8 divisors (see below), whose sum is σ = 93424589963264. Its totient is φ = 86803539210360.

The previous prime is 90101031022033. The next prime is 90101031022117. The reversal of 90101031022111 is 11122013010109.

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 90101031022111 - 27 = 90101031021983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101031022117) 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, 6516775311 + ... + 6516789136.

It is an arithmetic number, because the mean of its divisors is an integer number (11678073745408).

Almost surely, 290101031022111 is an apocalyptic number.

90101031022111 is a deficient number, since it is larger than the sum of its proper divisors (3323558941153).

90101031022111 is a wasteful number, since it uses less digits than its factorization.

90101031022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033564701.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 90101031022111 in words is "ninety trillion, one hundred one billion, thirty-one million, twenty-two thousand, one hundred eleven".

Divisors: 1 31 223 6913 13033564447 404040497857 2906484871681 90101031022111