Search a number
-
+
2100102102142 = 21195459186461
BaseRepresentation
bin11110100011110111110…
…101101111110001111110
321102202201201121112000121
4132203313311233301332
5233402002114232032
64244435032245154
7304504326222322
oct36436765576176
97382651545017
102100102102142
1173a714983820
1229b01bb407ba
13123067272385
14739072cb982
1539966184a97
hex1e8f7d6fc7e

2100102102142 has 8 divisors (see below), whose sum is σ = 3436530712632. Its totient is φ = 954591864600.

The previous prime is 2100102102113. The next prime is 2100102102149. The reversal of 2100102102142 is 2412012010012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100102102149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47729593209 + ... + 47729593252.

It is an arithmetic number, because the mean of its divisors is an integer number (429566339079).

Almost surely, 22100102102142 is an apocalyptic number.

2100102102142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100102102142 is a deficient number, since it is larger than the sum of its proper divisors (1336428610490).

2100102102142 is a wasteful number, since it uses less digits than its factorization.

2100102102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95459186474.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2100102102142 its reverse (2412012010012), we get a palindrome (4512114112154).

The spelling of 2100102102142 in words is "two trillion, one hundred billion, one hundred two million, one hundred two thousand, one hundred forty-two".

Divisors: 1 2 11 22 95459186461 190918372922 1050051051071 2100102102142