Base | Representation |
---|---|
bin | 100100100010000011… |
… | …0111011001000111111 |
3 | 21111111110102102222220 |
4 | 1021010012323020333 |
5 | 2241132212431434 |
6 | 100012420140423 |
7 | 5445054436623 |
oct | 1110406731077 |
9 | 244443372886 |
10 | 78452077119 |
11 | 302a9174779 |
12 | 13255537713 |
13 | 7523533a10 |
14 | 3b2335d183 |
15 | 2092659d49 |
hex | 12441bb23f |
78452077119 has 16 divisors (see below), whose sum is σ = 112654205664. Its totient is φ = 48276028800.
The previous prime is 78452077103. The next prime is 78452077127. The reversal of 78452077119 is 91177025487.
It is not a de Polignac number, because 78452077119 - 24 = 78452077103 is a prime.
It is a super-2 number, since 2×784520771192 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78452077169) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502389 + ... + 1553729.
It is an arithmetic number, because the mean of its divisors is an integer number (7040887854).
Almost surely, 278452077119 is an apocalyptic number.
78452077119 is a deficient number, since it is larger than the sum of its proper divisors (34202128545).
78452077119 is a wasteful number, since it uses less digits than its factorization.
78452077119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90538.
The product of its (nonzero) digits is 987840, while the sum is 51.
The spelling of 78452077119 in words is "seventy-eight billion, four hundred fifty-two million, seventy-seven thousand, one hundred nineteen".
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