Base | Representation |
---|---|
bin | 1100000010100… |
… | …10101011001010 |
3 | 21001001102121020 |
4 | 12001102223022 |
5 | 201324030210 |
6 | 14004453310 |
7 | 2334334161 |
oct | 601225312 |
9 | 231042536 |
10 | 101001930 |
11 | 52016277 |
12 | 299aa236 |
13 | 17c04873 |
14 | d5b23d8 |
15 | 8d01770 |
hex | 6052aca |
101001930 has 32 divisors (see below), whose sum is σ = 256665024. Its totient is φ = 25349376.
The previous prime is 101001911. The next prime is 101001931. The reversal of 101001930 is 39100101.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (101001931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98512 + ... + 99531.
It is an arithmetic number, because the mean of its divisors is an integer number (8020782).
Almost surely, 2101001930 is an apocalyptic number.
101001930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101001930 is an abundant number, since it is smaller than the sum of its proper divisors (155663094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101001930 is a wasteful number, since it uses less digits than its factorization.
101001930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198070.
The product of its (nonzero) digits is 27, while the sum is 15.
The square root of 101001930 is about 10049.9716417510. The cubic root of 101001930 is about 465.7039171075.
The spelling of 101001930 in words is "one hundred one million, one thousand, nine hundred thirty".
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