Base | Representation |
---|---|
bin | 100001100011001111… |
… | …1011101000001011010 |
3 | 20212222021001110101021 |
4 | 1003012133131001122 |
5 | 2140024200021332 |
6 | 53033225113054 |
7 | 5130312405316 |
oct | 1030637350132 |
9 | 225867043337 |
10 | 72049610842 |
11 | 28613144030 |
12 | 11b6932878a |
13 | 6a42c71c31 |
14 | 36b6d06b46 |
15 | 1d1a522c97 |
hex | 10c67dd05a |
72049610842 has 16 divisors (see below), whose sum is σ = 119659057632. Its totient is φ = 32261019120.
The previous prime is 72049610819. The next prime is 72049610887. The reversal of 72049610842 is 24801694027.
It is a super-2 number, since 2×720496108422 (a number of 23 digits) contains 22 as substring.
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, 24438693 + ... + 24441640.
It is an arithmetic number, because the mean of its divisors is an integer number (7478691102).
Almost surely, 272049610842 is an apocalyptic number.
72049610842 is a deficient number, since it is larger than the sum of its proper divisors (47609446790).
72049610842 is a wasteful number, since it uses less digits than its factorization.
72049610842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48880413.
The product of its (nonzero) digits is 193536, while the sum is 43.
The spelling of 72049610842 in words is "seventy-two billion, forty-nine million, six hundred ten thousand, eight hundred forty-two".
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