Base | Representation |
---|---|
bin | 111001101101001011101… |
… | …0100101001100111110101 |
3 | 1001002012102101210021100002 |
4 | 1303122113110221213311 |
5 | 2014420241342321042 |
6 | 24511250124001045 |
7 | 1445666526046352 |
oct | 163322724514765 |
9 | 31065371707302 |
10 | 7931048401397 |
11 | 25885a2073700 |
12 | a81110090185 |
13 | 456b82732584 |
14 | 1d5c16db3629 |
15 | db4888e7132 |
hex | 736975299f5 |
7931048401397 has 96 divisors (see below), whose sum is σ = 9151331008512. Its totient is φ = 6863194800000.
The previous prime is 7931048401391. The next prime is 7931048401427.
It is a happy number.
7931048401397 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 7931048401397 - 220 = 7931047352821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7931048401391) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10077570638 + ... + 10077571424.
It is an arithmetic number, because the mean of its divisors is an integer number (95326364672).
Almost surely, 27931048401397 is an apocalyptic number.
It is an amenable number.
7931048401397 is a deficient number, since it is larger than the sum of its proper divisors (1220282607115).
7931048401397 is a wasteful number, since it uses less digits than its factorization.
7931048401397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1231 (or 1220 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 56.
The spelling of 7931048401397 in words is "seven trillion, nine hundred thirty-one billion, forty-eight million, four hundred one thousand, three hundred ninety-seven".
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