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100015511149 = 195263974271
BaseRepresentation
bin101110100100101100…
…0111001011001101101
3100120011020211101112201
41131021120321121231
53114312432324044
6113540235301501
710140322550341
oct1351130713155
9316136741481
10100015511149
113946416a934
1217472baa891
13957bab0938
144bab13b621
1529057a07d4
hex174963966d

100015511149 has 4 divisors (see below), whose sum is σ = 105279485440. Its totient is φ = 94751536860.

The previous prime is 100015511129. The next prime is 100015511177. The reversal of 100015511149 is 941115510001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100015511149 - 27 = 100015511021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100015511129) 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, 2631987117 + ... + 2631987154.

It is an arithmetic number, because the mean of its divisors is an integer number (26319871360).

Almost surely, 2100015511149 is an apocalyptic number.

100015511149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100015511149 is a deficient number, since it is larger than the sum of its proper divisors (5263974291).

100015511149 is an equidigital number, since it uses as much as digits as its factorization.

100015511149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263974290.

The product of its (nonzero) digits is 900, while the sum is 28.

The spelling of 100015511149 in words is "one hundred billion, fifteen million, five hundred eleven thousand, one hundred forty-nine".

Divisors: 1 19 5263974271 100015511149