Base | Representation |
---|---|
bin | 1101111101010010… |
… | …10000110110001011 |
3 | 201100020020222010101 |
4 | 12332221100312023 |
5 | 110321311031433 |
6 | 3235322430231 |
7 | 353460214201 |
oct | 67651206613 |
9 | 21306228111 |
10 | 7493455243 |
11 | 31a595091a |
12 | 1551662377 |
13 | 9256090b1 |
14 | 5112cb071 |
15 | 2dccdd07d |
hex | 1bea50d8b |
7493455243 has 12 divisors (see below), whose sum is σ = 7696939800. Its totient is φ = 7295347836.
The previous prime is 7493455231. The next prime is 7493455247. The reversal of 7493455243 is 3425543947.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a de Polignac number, because none of the positive numbers 2k-7493455243 is a prime.
Its product of digits (1814400) is a multiple of the sum of its prime divisors (350).
It is a junction number, because it is equal to n+sod(n) for n = 7493455193 and 7493455202.
It is not an unprimeable number, because it can be changed into a prime (7493455247) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24408496 + ... + 24408802.
It is an arithmetic number, because the mean of its divisors is an integer number (641411650).
Almost surely, 27493455243 is an apocalyptic number.
7493455243 is a deficient number, since it is larger than the sum of its proper divisors (203484557).
7493455243 is an frugal number, since it uses more digits than its factorization.
With its successor (7493455244) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (743).
7493455243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 743 (or 350 counting only the distinct ones).
The product of its digits is 1814400, while the sum is 46.
The square root of 7493455243 is about 86564.7459593107. The cubic root of 7493455243 is about 1956.8642802766.
The spelling of 7493455243 in words is "seven billion, four hundred ninety-three million, four hundred fifty-five thousand, two hundred forty-three".
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