Base | Representation |
---|---|
bin | 101101111100111100… |
… | …1011011001010001101 |
3 | 100102201022022221010110 |
4 | 1123321321123022031 |
5 | 3104100024020444 |
6 | 113200034430233 |
7 | 10062266655633 |
oct | 1337171331215 |
9 | 312638287113 |
10 | 98681860749 |
11 | 3893a37961a |
12 | 17160432379 |
13 | 93c86c32a4 |
14 | 4ac1d7b353 |
15 | 2878664cb9 |
hex | 16f9e5b28d |
98681860749 has 16 divisors (see below), whose sum is σ = 133825328640. Its totient is φ = 64663473840.
The previous prime is 98681860733. The next prime is 98681860751. The reversal of 98681860749 is 94706818689.
It is not a de Polignac number, because 98681860749 - 24 = 98681860733 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 98681860749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98681860769) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309794 + ... + 1383084.
It is an arithmetic number, because the mean of its divisors is an integer number (8364083040).
Almost surely, 298681860749 is an apocalyptic number.
It is an amenable number.
98681860749 is a deficient number, since it is larger than the sum of its proper divisors (35143467891).
98681860749 is a wasteful number, since it uses less digits than its factorization.
98681860749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80960.
The product of its (nonzero) digits is 41803776, while the sum is 66.
The spelling of 98681860749 in words is "ninety-eight billion, six hundred eighty-one million, eight hundred sixty thousand, seven hundred forty-nine".
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