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2106720754 = 23133979367
BaseRepresentation
bin111110110010010…
…0000000111110010
312102211011111120121
41331210200013302
513303310031004
6545014200454
7103130555005
oct17544400762
95384144517
102106720754
11991209536
124a965312a
13277601c38
1415db1953c
15c4e43854
hex7d9201f2

2106720754 has 8 divisors (see below), whose sum is σ = 3262019328. Its totient is φ = 1019380980.

The previous prime is 2106720751. The next prime is 2106720761. The reversal of 2106720754 is 4570276012.

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

It is not an unprimeable number, because it can be changed into a prime (2106720751) 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, 16989622 + ... + 16989745.

It is an arithmetic number, because the mean of its divisors is an integer number (407752416).

Almost surely, 22106720754 is an apocalyptic number.

2106720754 is a deficient number, since it is larger than the sum of its proper divisors (1155298574).

2106720754 is a wasteful number, since it uses less digits than its factorization.

2106720754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33979400.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2106720754 is about 45899.0278110550. The cubic root of 2106720754 is about 1281.9438146039.

Adding to 2106720754 its reverse (4570276012), we get a palindrome (6676996766).

The spelling of 2106720754 in words is "two billion, one hundred six million, seven hundred twenty thousand, seven hundred fifty-four".

Divisors: 1 2 31 62 33979367 67958734 1053360377 2106720754