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98123138126 = 2138969420779
BaseRepresentation
bin101101101100010011…
…0000100010001001110
3100101021100222212202222
41123120212010101032
53101424010410001
6113024355215342
710042403624666
oct1333046042116
9311240885688
1098123138126
1138682a53a92
12170252a7552
139339a1a7a0
144a6ba9b1a6
15284459c61b
hex16d898444e

98123138126 has 16 divisors (see below), whose sum is σ = 158524657200. Its totient is φ = 45282445248.

The previous prime is 98123138023. The next prime is 98123138143. The reversal of 98123138126 is 62183132189.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22805 + ... + 443583.

It is an arithmetic number, because the mean of its divisors is an integer number (9907791075).

Almost surely, 298123138126 is an apocalyptic number.

98123138126 is a deficient number, since it is larger than the sum of its proper divisors (60401519074).

98123138126 is a wasteful number, since it uses less digits than its factorization.

98123138126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429763.

The product of its digits is 124416, while the sum is 44.

The spelling of 98123138126 in words is "ninety-eight billion, one hundred twenty-three million, one hundred thirty-eight thousand, one hundred twenty-six".

Divisors: 1 2 13 26 8969 17938 116597 233194 420779 841558 5470127 10940254 3773966851 7547933702 49061569063 98123138126