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100304231020 = 2257716458793
BaseRepresentation
bin101110101101010011…
…0010001101001101100
3100120220101002212202021
41131122212101221230
53120410340343040
6114025031435524
710150426616260
oct1353246215154
9316811085667
10100304231020
11395a213a3a4
1217533825ba4
1395c685c2b6
144bd76160a0
152920cd224a
hex175a991a6c

100304231020 has 24 divisors (see below), whose sum is σ = 240730154784. Its totient is φ = 34390022016.

The previous prime is 100304230979. The next prime is 100304231021. The reversal of 100304231020 is 20132403001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100304230985 and 100304231003.

It is not an unprimeable number, because it can be changed into a prime (100304231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358229257 + ... + 358229536.

It is an arithmetic number, because the mean of its divisors is an integer number (10030423116).

Almost surely, 2100304231020 is an apocalyptic number.

100304231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100304231020 is an abundant number, since it is smaller than the sum of its proper divisors (140425923764).

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

100304231020 is a wasteful number, since it uses less digits than its factorization.

100304231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716458809 (or 716458807 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100304231020 its reverse (20132403001), we get a palindrome (120436634021).

The spelling of 100304231020 in words is "one hundred billion, three hundred four million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 716458793 1432917586 2865835172 3582293965 5015211551 7164587930 10030423102 14329175860 20060846204 25076057755 50152115510 100304231020