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BaseRepresentation
bin10110010010000101101100…
…100111001010110011010101
3110211222201100211200221212210
4112102011230213022303111
5100321113141244000041
6544232341552104033
726433162420133320
oct2622055447126325
9424881324627783
1098000091000021
1129253672570021
12aba90a8235019
13428b4a46c3a52
141a2b33048d7b7
15b4e3197ba016
hex59216c9cacd5

98000091000021 has 16 divisors (see below), whose sum is σ = 149333717333504. Its totient is φ = 55999959999984.

The previous prime is 98000091000017. The next prime is 98000091000029. The reversal of 98000091000021 is 12000019000089.

98000091000021 is a nontrivial binomial coefficient, being equal to C(14000007, 2).

It is not a de Polignac number, because 98000091000021 - 22 = 98000091000017 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 (98000091000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10500006 + ... + 17500008.

It is an arithmetic number, because the mean of its divisors is an integer number (9333357333344).

Almost surely, 298000091000021 is an apocalyptic number.

98000091000021 is the 14000006-th triangular number.

It is an amenable number.

98000091000021 is a deficient number, since it is larger than the sum of its proper divisors (51333626333483).

98000091000021 is a wasteful number, since it uses less digits than its factorization.

98000091000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666680.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 98000091000021 in words is "ninety-eight trillion, ninety-one million, twenty-one", and thus it is an aban number and an uban number.