Base | Representation |
---|---|
bin | 1101101011011010… |
… | …01011010111010101 |
3 | 200221210001202120120 |
4 | 12311231023113111 |
5 | 110014413031141 |
6 | 3212404222153 |
7 | 346656414255 |
oct | 66555132725 |
9 | 20853052516 |
10 | 7343486421 |
11 | 3129230047 |
12 | 150b39a959 |
13 | 90051b44b |
14 | 4d940d965 |
15 | 2cea67c66 |
hex | 1b5b4b5d5 |
7343486421 has 4 divisors (see below), whose sum is σ = 9791315232. Its totient is φ = 4895657612.
The previous prime is 7343486419. The next prime is 7343486431. The reversal of 7343486421 is 1246843437.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 7343486421 - 21 = 7343486419 is a prime.
It is a super-2 number, since 2×73434864212 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7343486411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223914401 + ... + 1223914406.
It is an arithmetic number, because the mean of its divisors is an integer number (2447828808).
Almost surely, 27343486421 is an apocalyptic number.
It is an amenable number.
7343486421 is a deficient number, since it is larger than the sum of its proper divisors (2447828811).
7343486421 is a wasteful number, since it uses less digits than its factorization.
7343486421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447828810.
The product of its digits is 387072, while the sum is 42.
The square root of 7343486421 is about 85694.1446132698. The cubic root of 7343486421 is about 1943.7217693456.
The spelling of 7343486421 in words is "seven billion, three hundred forty-three million, four hundred eighty-six thousand, four hundred twenty-one".
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