Base | Representation |
---|---|
bin | 111010101111001… |
… | …0001100100000010 |
3 | 12002100112121002211 |
4 | 1311132101210002 |
5 | 13014020324110 |
6 | 523322332334 |
7 | 66561060136 |
oct | 16536214402 |
9 | 5070477084 |
10 | 1970870530 |
11 | 921561222 |
12 | 47005a0aa |
13 | 2554186a5 |
14 | 149a753c6 |
15 | b805b98a |
hex | 75791902 |
1970870530 has 8 divisors (see below), whose sum is σ = 3547566972. Its totient is φ = 788348208.
The previous prime is 1970870509. The next prime is 1970870669. The reversal of 1970870530 is 350780791.
It can be written as a sum of positive squares in 2 ways, for example, as 1785992121 + 184878409 = 42261^2 + 13597^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98543517 + ... + 98543536.
Almost surely, 21970870530 is an apocalyptic number.
1970870530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1970870530 is a deficient number, since it is larger than the sum of its proper divisors (1576696442).
1970870530 is a wasteful number, since it uses less digits than its factorization.
1970870530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197087060.
The product of its (nonzero) digits is 52920, while the sum is 40.
The square root of 1970870530 is about 44394.4876082606. The cubic root of 1970870530 is about 1253.7743052921.
The spelling of 1970870530 in words is "one billion, nine hundred seventy million, eight hundred seventy thousand, five hundred thirty".
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