Base | Representation |
---|---|
bin | 111010101110101… |
… | …0110100111110111 |
3 | 12002100002022221101 |
4 | 1311131112213313 |
5 | 13013440112421 |
6 | 523313230531 |
7 | 66556033243 |
oct | 16535264767 |
9 | 5070068841 |
10 | 1970629111 |
11 | 921406900 |
12 | 46bb62447 |
13 | 255362839 |
14 | 149a11423 |
15 | b8010191 |
hex | 757569f7 |
1970629111 has 12 divisors (see below), whose sum is σ = 2235940672. Its totient is φ = 1733688000.
The previous prime is 1970629109. The next prime is 1970629123. The reversal of 1970629111 is 1119260791.
It is not a de Polignac number, because 1970629111 - 21 = 1970629109 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 (1970629181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258930 + ... + 266431.
Almost surely, 21970629111 is an apocalyptic number.
1970629111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1970629111 is a deficient number, since it is larger than the sum of its proper divisors (265311561).
1970629111 is a wasteful number, since it uses less digits than its factorization.
1970629111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525414 (or 525403 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 37.
The square root of 1970629111 is about 44391.7685049830. The cubic root of 1970629111 is about 1253.7231100979.
The spelling of 1970629111 in words is "one billion, nine hundred seventy million, six hundred twenty-nine thousand, one hundred eleven".
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