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90100000106 = 23753712571259
BaseRepresentation
bin101001111101001100…
…0001110010101101010
322121120020001020110222
41103322120032111222
52434011100000411
6105220311410042
76336522236024
oct1237230162552
9277506036428
1090100000106
1135236112706
1215566383922
13865b765b3c
14450a2cd014
1525250314db
hex14fa60e56a

90100000106 has 64 divisors (see below), whose sum is σ = 144085858560. Its totient is φ = 42201169920.

The previous prime is 90100000103. The next prime is 90100000117. The reversal of 90100000106 is 60100000109.

It is a super-2 number, since 2×901000001062 (a number of 23 digits) contains 22 as substring.

90100000106 is a strobogrammatic number because it is the same when read upside-down.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90100000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71564105 + ... + 71565363.

It is an arithmetic number, because the mean of its divisors is an integer number (2251341540).

Almost surely, 290100000106 is an apocalyptic number.

90100000106 is a deficient number, since it is larger than the sum of its proper divisors (53985858454).

90100000106 is a wasteful number, since it uses less digits than its factorization.

90100000106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 90100000106 in words is "ninety billion, one hundred million, one hundred six", and thus it is an aban number.

Divisors: 1 2 37 53 71 74 106 142 257 514 1259 1961 2518 2627 3763 3922 5254 7526 9509 13621 18247 19018 27242 36494 46583 66727 89389 93166 133454 139231 178778 278462 323563 503977 647126 675139 967091 1007954 1350278 1934182 2468899 3307393 4737617 4937798 6614786 9475234 11971831 17148839 22972973 23943662 34297678 35782367 45945946 71564734 175291829 350583658 634507043 850000001 1217567569 1269014086 1700000002 2435135138 45050000053 90100000106