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101001102109 = 144769800347
BaseRepresentation
bin101111000010000100…
…0101000001100011101
3100122200221101121011121
41132010020220030131
53123322240231414
6114222124050541
710203621126355
oct1360410501435
9318627347147
10101001102109
113991a541a16
12176a9093a51
1396a804445b
144c61db7b65
152962087724
hex178422831d

101001102109 has 4 divisors (see below), whose sum is σ = 101070903904. Its totient is φ = 100931300316.

The previous prime is 101001102107. The next prime is 101001102143. The reversal of 101001102109 is 901201100101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 901201100101 = 1614535581817.

It is a cyclic number.

It is not a de Polignac number, because 101001102109 - 21 = 101001102107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001102092 and 101001102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001102107) 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, 34898727 + ... + 34901620.

It is an arithmetic number, because the mean of its divisors is an integer number (25267725976).

Almost surely, 2101001102109 is an apocalyptic number.

It is an amenable number.

101001102109 is a deficient number, since it is larger than the sum of its proper divisors (69801795).

101001102109 is an equidigital number, since it uses as much as digits as its factorization.

101001102109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69801794.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 101001102109 in words is "one hundred one billion, one million, one hundred two thousand, one hundred nine".

Divisors: 1 1447 69800347 101001102109