| Base | Representation |
|---|---|
| bin | 101010011010101100… |
| … | …0100110001010110100 |
| 3 | 22201010012211002012000 |
| 4 | 1110311120212022310 |
| 5 | 2443023012002320 |
| 6 | 105502433455300 |
| 7 | 6403202554302 |
| oct | 1246530461264 |
| 9 | 281105732160 |
| 10 | 91089953460 |
| 11 | 356a39a4280 |
| 12 | 157a1a11530 |
| 13 | 878889615c |
| 14 | 45a1983272 |
| 15 | 2581dcac90 |
| hex | 15356262b4 |
91089953460 has 192 divisors, whose sum is σ = 309456322560. Its totient is φ = 22060805760.
The previous prime is 91089953419. The next prime is 91089953467. The reversal of 91089953460 is 6435998019.
91089953460 is a `hidden beast` number, since 9 + 10 + 8 + 99 + 534 + 6 + 0 = 666.
It is a super-4 number, since 4×910899534604 (a number of 45 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 91089953397 and 91089953406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91089953467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6544869 + ... + 6558771.
It is an arithmetic number, because the mean of its divisors is an integer number (1611751680).
Almost surely, 291089953460 is an apocalyptic number.
91089953460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 91089953460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154728161280).
91089953460 is an abundant number, since it is smaller than the sum of its proper divisors (218366369100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91089953460 is a wasteful number, since it uses less digits than its factorization.
91089953460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15035 (or 15027 counting only the distinct ones).
The product of its (nonzero) digits is 2099520, while the sum is 54.
The spelling of 91089953460 in words is "ninety-one billion, eighty-nine million, nine hundred fifty-three thousand, four hundred sixty".
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