Base | Representation |
---|---|
bin | 1101110000111111… |
… | …10011000000010101 |
3 | 201002001011200000210 |
4 | 12320133303000111 |
5 | 110113404413141 |
6 | 3221200000033 |
7 | 351065413344 |
oct | 67037630025 |
9 | 21061150023 |
10 | 7390310421 |
11 | 315270166a |
12 | 1523000019 |
13 | 90a134060 |
14 | 50171bb5b |
15 | 2d3c16916 |
hex | 1b87f3015 |
7390310421 has 16 divisors (see below), whose sum is σ = 10626734720. Its totient is φ = 4541451840.
The previous prime is 7390310413. The next prime is 7390310479. The reversal of 7390310421 is 1240130937.
It is not a de Polignac number, because 7390310421 - 23 = 7390310413 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 (7390315421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105985 + ... + 161286.
It is an arithmetic number, because the mean of its divisors is an integer number (664170920).
Almost surely, 27390310421 is an apocalyptic number.
It is an amenable number.
7390310421 is a deficient number, since it is larger than the sum of its proper divisors (3236424299).
7390310421 is a wasteful number, since it uses less digits than its factorization.
7390310421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267996.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 7390310421 is about 85966.9146881520. The cubic root of 7390310421 is about 1947.8442467215.
The spelling of 7390310421 in words is "seven billion, three hundred ninety million, three hundred ten thousand, four hundred twenty-one".
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