Base | Representation |
---|---|
bin | 1101011011110111… |
… | …00111100000010010 |
3 | 200121200122002220001 |
4 | 12231323213200102 |
5 | 104233020211340 |
6 | 3151424440214 |
7 | 343513642603 |
oct | 65573474022 |
9 | 20550562801 |
10 | 7213053970 |
11 | 3071643231 |
12 | 149377906a |
13 | 8ac4b0b95 |
14 | 4c5d79daa |
15 | 2c33a129a |
hex | 1adee7812 |
7213053970 has 8 divisors (see below), whose sum is σ = 12983497164. Its totient is φ = 2885221584.
The previous prime is 7213053949. The next prime is 7213053979. The reversal of 7213053970 is 793503127.
It can be written as a sum of positive squares in 2 ways, for example, as 6637197961 + 575856009 = 81469^2 + 23997^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (7213053979) 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, 360652689 + ... + 360652708.
Almost surely, 27213053970 is an apocalyptic number.
7213053970 is a deficient number, since it is larger than the sum of its proper divisors (5770443194).
7213053970 is a wasteful number, since it uses less digits than its factorization.
7213053970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721305404.
The product of its (nonzero) digits is 39690, while the sum is 37.
The square root of 7213053970 is about 84929.7001643124. The cubic root of 7213053970 is about 1932.1450525642.
The spelling of 7213053970 in words is "seven billion, two hundred thirteen million, fifty-three thousand, nine hundred seventy".
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