Base | Representation |
---|---|
bin | 111000111011110… |
… | …1011001000101010 |
3 | 11221010210101120200 |
4 | 1301313223020222 |
5 | 12403031420020 |
6 | 513322533030 |
7 | 65225205432 |
oct | 16167531052 |
9 | 4833711520 |
10 | 1910420010 |
11 | 8a0422914 |
12 | 453967176 |
13 | 245a41655 |
14 | 141a1b2c2 |
15 | b2aba590 |
hex | 71deb22a |
1910420010 has 48 divisors (see below), whose sum is σ = 5088250440. Its totient is φ = 497018880.
The previous prime is 1910419991. The next prime is 1910420011. The reversal of 1910420010 is 100240191.
It can be written as a sum of positive squares in 4 ways, for example, as 781258401 + 1129161609 = 27951^2 + 33603^2 .
It is a super-2 number, since 2×19104200102 = 7299409229216800200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1910420011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255175 + ... + 262554.
Almost surely, 21910420010 is an apocalyptic number.
1910420010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1910420010 is an abundant number, since it is smaller than the sum of its proper divisors (3177830430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1910420010 is a wasteful number, since it uses less digits than its factorization.
1910420010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 517783 (or 517780 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 1910420010 is about 43708.3517190937. The cubic root of 1910420010 is about 1240.8223841375.
The spelling of 1910420010 in words is "one billion, nine hundred ten million, four hundred twenty thousand, ten".
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