Base | Representation |
---|---|
bin | 1101000110010001… |
… | …01111011101001111 |
3 | 200011001211211010212 |
4 | 12203020233131033 |
5 | 103400134220124 |
6 | 3121434553035 |
7 | 336154355330 |
oct | 64310573517 |
9 | 20131754125 |
10 | 7031945039 |
11 | 2a89393429 |
12 | 1442b9877b |
13 | 880b0c332 |
14 | 4a9cb4287 |
15 | 2b252940e |
hex | 1a322f74f |
7031945039 has 8 divisors (see below), whose sum is σ = 8038259328. Its totient is φ = 6026068440.
The previous prime is 7031945023. The next prime is 7031945069. The reversal of 7031945039 is 9305491307.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7031945039 - 24 = 7031945023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7031944987 and 7031945005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7031945069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74237 + ... + 139910.
It is an arithmetic number, because the mean of its divisors is an integer number (1004782416).
Almost surely, 27031945039 is an apocalyptic number.
7031945039 is a deficient number, since it is larger than the sum of its proper divisors (1006314289).
7031945039 is a wasteful number, since it uses less digits than its factorization.
7031945039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218845.
The product of its (nonzero) digits is 102060, while the sum is 41.
The square root of 7031945039 is about 83856.6934656978. The cubic root of 7031945039 is about 1915.8367036379.
The spelling of 7031945039 in words is "seven billion, thirty-one million, nine hundred forty-five thousand, thirty-nine".
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