Search a number
-
+
10031100130 = 251975091929
BaseRepresentation
bin10010101011110011…
…00111000011100010
3221220002021200111001
421111321213003202
5131020430201010
64335213142214
7503402641612
oct112571470342
927802250431
1010031100130
114288326aa7
121b3b48a96a
13c3b28910c
146b233aa42
153da9a2c3a
hex255e670e2

10031100130 has 16 divisors (see below), whose sum is σ = 18147638520. Its totient is φ = 3992071552.

The previous prime is 10031100127. The next prime is 10031100151. The reversal of 10031100130 is 3100113001.

10031100130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9932713569 + 98386561 = 99663^2 + 9919^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2543995 + ... + 2547934.

Almost surely, 210031100130 is an apocalyptic number.

10031100130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031100130 is a deficient number, since it is larger than the sum of its proper divisors (8116538390).

10031100130 is a wasteful number, since it uses less digits than its factorization.

10031100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092133.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 10031100130 its reverse (3100113001), we get a palindrome (13131213131).

The spelling of 10031100130 in words is "ten billion, thirty-one million, one hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 197 394 985 1970 5091929 10183858 25459645 50919290 1003110013 2006220026 5015550065 10031100130