Base | Representation |
---|---|
bin | 10100111000110010010000… |
… | …001101101001010100111101 |
3 | 110001021000220222000011021121 |
4 | 110320302100031221110331 |
5 | 44020041243041214401 |
6 | 523213210131430541 |
7 | 25230616144412044 |
oct | 2470622015512475 |
9 | 401230828004247 |
10 | 91863180023101 |
11 | 272a7a57289273 |
12 | a377849155451 |
13 | 3c34878755896 |
14 | 18982b740d55b |
15 | a9488addbca1 |
hex | 538c9036953d |
91863180023101 has 8 divisors (see below), whose sum is σ = 95945052889440. Its totient is φ = 87865469484048.
The previous prime is 91863180023081. The next prime is 91863180023123. The reversal of 91863180023101 is 10132008136819.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-91863180023101 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 (91863180023191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21040579591 + ... + 21040583956.
It is an arithmetic number, because the mean of its divisors is an integer number (11993131611180).
Almost surely, 291863180023101 is an apocalyptic number.
It is an amenable number.
91863180023101 is a deficient number, since it is larger than the sum of its proper divisors (4081872866339).
91863180023101 is a wasteful number, since it uses less digits than its factorization.
91863180023101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42081163643.
The product of its (nonzero) digits is 62208, while the sum is 43.
The spelling of 91863180023101 in words is "ninety-one trillion, eight hundred sixty-three billion, one hundred eighty million, twenty-three thousand, one hundred one".
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