Base | Representation |
---|---|
bin | 10100110000110010000110… |
… | …010000011000010111011111 |
3 | 102222022110110220002221010202 |
4 | 110300302012100120113133 |
5 | 43432034022312412030 |
6 | 522112421540054115 |
7 | 25143110431223201 |
oct | 2460620620302737 |
9 | 388273426087122 |
10 | 91313257154015 |
11 | 2710580a14a386 |
12 | a2a915509433b |
13 | 3bc4a598325b0 |
14 | 1879829c16771 |
15 | a8540259c745 |
hex | 530c864185df |
91313257154015 has 8 divisors (see below), whose sum is σ = 118004824629888. Its totient is φ = 67431328359840.
The previous prime is 91313257154003. The next prime is 91313257154071. The reversal of 91313257154015 is 51045175231319.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 91313257154015 - 220 = 91313256105439 is a prime.
It is a super-2 number, since 2×913132571540152 (a number of 29 digits) contains 22 as substring.
It is a Duffinian 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, 702409670351 + ... + 702409670480.
It is an arithmetic number, because the mean of its divisors is an integer number (14750603078736).
Almost surely, 291313257154015 is an apocalyptic number.
91313257154015 is a deficient number, since it is larger than the sum of its proper divisors (26691567475873).
91313257154015 is a wasteful number, since it uses less digits than its factorization.
91313257154015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1404819340849.
The product of its (nonzero) digits is 567000, while the sum is 47.
The spelling of 91313257154015 in words is "ninety-one trillion, three hundred thirteen billion, two hundred fifty-seven million, one hundred fifty-four thousand, fifteen".
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