Base | Representation |
---|---|
bin | 100100100101000100… |
… | …0011101000110010101 |
3 | 21111202111121001110210 |
4 | 1021022020131012111 |
5 | 2241334101013103 |
6 | 100030430240033 |
7 | 5450422454460 |
oct | 1111210350625 |
9 | 244674531423 |
10 | 78553141653 |
11 | 30350222a88 |
12 | 13283356019 |
13 | 753b45ac0c |
14 | 3b3294a2d7 |
15 | 209b46ee03 |
hex | 124a21d195 |
78553141653 has 16 divisors (see below), whose sum is σ = 119823841280. Its totient is φ = 44841078576.
The previous prime is 78553141643. The next prime is 78553141669. The reversal of 78553141653 is 35614135587.
It is not a de Polignac number, because 78553141653 - 24 = 78553141637 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 (78553141643) 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, 1913833 + ... + 1954446.
It is an arithmetic number, because the mean of its divisors is an integer number (7488990080).
Almost surely, 278553141653 is an apocalyptic number.
It is an amenable number.
78553141653 is a deficient number, since it is larger than the sum of its proper divisors (41270699627).
78553141653 is a wasteful number, since it uses less digits than its factorization.
78553141653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3869256.
The product of its digits is 1512000, while the sum is 48.
The spelling of 78553141653 in words is "seventy-eight billion, five hundred fifty-three million, one hundred forty-one thousand, six hundred fifty-three".
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