Search a number
-
+
101012030 = 2572211977
BaseRepresentation
bin1100000010101…
…01001000111110
321001001221110022
412001111020332
5201324341110
614005012142
72334405500
oct601251076
9231057408
10101012030
1152022919
12299b4052
1317c09342
14d5b5d70
158d04755
hex605523e

101012030 has 48 divisors (see below), whose sum is σ = 212726736. Its totient is φ = 34433280.

The previous prime is 101012029. The next prime is 101012033. The reversal of 101012030 is 30210101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101011999 and 101012017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102902 + ... + 103878.

It is an arithmetic number, because the mean of its divisors is an integer number (4431807).

Almost surely, 2101012030 is an apocalyptic number.

101012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101012030 is an abundant number, since it is smaller than the sum of its proper divisors (111714706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101012030 is a wasteful number, since it uses less digits than its factorization.

101012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101012030 is about 10050.4741181697. The cubic root of 101012030 is about 465.7194397574.

Adding to 101012030 its reverse (30210101), we get a palindrome (131222131).

The spelling of 101012030 in words is "one hundred one million, twelve thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 211 245 422 490 977 1055 1477 1954 2110 2954 4885 6839 7385 9770 10339 13678 14770 20678 34195 47873 51695 68390 95746 103390 206147 239365 412294 478730 1030735 1443029 2061470 2886058 7215145 10101203 14430290 20202406 50506015 101012030