Base | Representation |
---|---|
bin | 100001100100100001… |
… | …0010000000001100110 |
3 | 20220002020100122011121 |
4 | 1003021002100001212 |
5 | 2140121111141303 |
6 | 53041351524154 |
7 | 5131341220660 |
oct | 1031102200146 |
9 | 226066318147 |
10 | 72092287078 |
11 | 28635242349 |
12 | 11b7b68965a |
13 | 6a4ba64946 |
14 | 36bc855530 |
15 | 1d1e1529bd |
hex | 10c9090066 |
72092287078 has 16 divisors (see below), whose sum is σ = 123670149120. Its totient is φ = 30875851656.
The previous prime is 72092287063. The next prime is 72092287093. The reversal of 72092287078 is 87078229027.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (72092287063) and next prime (72092287093).
It is a super-3 number, since 3×720922870783 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715398 + ... + 1756921.
It is an arithmetic number, because the mean of its divisors is an integer number (7729384320).
Almost surely, 272092287078 is an apocalyptic number.
72092287078 is a deficient number, since it is larger than the sum of its proper divisors (51577862042).
72092287078 is a wasteful number, since it uses less digits than its factorization.
72092287078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3473811.
The product of its (nonzero) digits is 1580544, while the sum is 52.
The spelling of 72092287078 in words is "seventy-two billion, ninety-two million, two hundred eighty-seven thousand, seventy-eight".
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