Base | Representation |
---|---|
bin | 111010101101111… |
… | …0110110110010000 |
3 | 12002022100101210221 |
4 | 1311123312312100 |
5 | 13013340034231 |
6 | 523301002424 |
7 | 66552510442 |
oct | 16533666620 |
9 | 5068311727 |
10 | 1970236816 |
11 | 921169099 |
12 | 46b9b3414 |
13 | 255256102 |
14 | 14994c492 |
15 | b7e83d11 |
hex | 756f6d90 |
1970236816 has 40 divisors (see below), whose sum is σ = 3855181824. Its totient is φ = 975402240.
The previous prime is 1970236813. The next prime is 1970236817. The reversal of 1970236816 is 6186320791.
It is a super-2 number, since 2×19702368162 = 7763666222243635712, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1970236813) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710665 + ... + 713431.
Almost surely, 21970236816 is an apocalyptic number.
1970236816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1970236816 is a deficient number, since it is larger than the sum of its proper divisors (1884945008).
1970236816 is a wasteful number, since it uses less digits than its factorization.
1970236816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3199 (or 3193 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 1970236816 is about 44387.3497293993. The cubic root of 1970236816 is about 1253.6399112953.
The spelling of 1970236816 in words is "one billion, nine hundred seventy million, two hundred thirty-six thousand, eight hundred sixteen".
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