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102011123005 = 5111854747691
BaseRepresentation
bin101111100000001010…
…1100011010100111101
3100202022022220222100221
41133000111203110331
53132404321414010
6114510244221341
710240634144611
oct1370025432475
9322268828327
10102011123005
113a29868a630
121792b39a851
13980937c85c
144d1a1b3341
1529c0a97dda
hex17c056353d

102011123005 has 8 divisors (see below), whose sum is σ = 133541833824. Its totient is φ = 74189907600.

The previous prime is 102011122963. The next prime is 102011123009. The reversal of 102011123005 is 500321110201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102011123005 - 27 = 102011122877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102011123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011123009) 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, 927373791 + ... + 927373900.

It is an arithmetic number, because the mean of its divisors is an integer number (16692729228).

Almost surely, 2102011123005 is an apocalyptic number.

It is an amenable number.

102011123005 is a deficient number, since it is larger than the sum of its proper divisors (31530710819).

102011123005 is a wasteful number, since it uses less digits than its factorization.

102011123005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854747707.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 102011123005 its reverse (500321110201), we get a palindrome (602332233206).

The spelling of 102011123005 in words is "one hundred two billion, eleven million, one hundred twenty-three thousand, five".

Divisors: 1 5 11 55 1854747691 9273738455 20402224601 102011123005