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100023030013 = 528371893049
BaseRepresentation
bin101110100100111010…
…1100101000011111101
3100120011202222101111011
41131021311211003331
53114321343430023
6113541104355221
710140443504254
oct1351165450375
9316152871434
10100023030013
1139468435975
1217475615b11
13958051407a
144bac13779b
15290628850d
hex1749d650fd

100023030013 has 4 divisors (see below), whose sum is σ = 100024975900. Its totient is φ = 100021084128.

The previous prime is 100023030007. The next prime is 100023030017. The reversal of 100023030013 is 310030320001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310030320001 = 1098728217923.

It can be written as a sum of positive squares in 2 ways, for example, as 5929308004 + 94093722009 = 77002^2 + 306747^2 .

It is a cyclic number.

It is not a de Polignac number, because 100023030013 - 29 = 100023029501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100023029975 and 100023030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023030017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893688 + ... + 999361.

It is an arithmetic number, because the mean of its divisors is an integer number (25006243975).

Almost surely, 2100023030013 is an apocalyptic number.

It is an amenable number.

100023030013 is a deficient number, since it is larger than the sum of its proper divisors (1945887).

100023030013 is an equidigital number, since it uses as much as digits as its factorization.

100023030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945886.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 100023030013 its reverse (310030320001), we get a palindrome (410053350014).

The spelling of 100023030013 in words is "one hundred billion, twenty-three million, thirty thousand, thirteen".

Divisors: 1 52837 1893049 100023030013