Search a number
-
+
2116215042 = 232477142391
BaseRepresentation
bin111111000100010…
…1110000100000010
312110111000212021220
41332020232010002
513313222340132
6545553455510
7103304350104
oct17610560402
95414025256
102116215042
11996603757
124b0871596
13279577566
141610ab574
15c5bbba2c
hex7e22e102

2116215042 has 16 divisors (see below), whose sum is σ = 4234168512. Its totient is φ = 705115280.

The previous prime is 2116214951. The next prime is 2116215067. The reversal of 2116215042 is 2405126112.

It is a super-2 number, since 2×21162150422 = 8956732207974123528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56334 + ... + 86057.

It is an arithmetic number, because the mean of its divisors is an integer number (264635532).

Almost surely, 22116215042 is an apocalyptic number.

2116215042 is an abundant number, since it is smaller than the sum of its proper divisors (2117953470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116215042 is a wasteful number, since it uses less digits than its factorization.

2116215042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144873.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2116215042 is about 46002.3373536606. The cubic root of 2116215042 is about 1283.8666933449.

The spelling of 2116215042 in words is "two billion, one hundred sixteen million, two hundred fifteen thousand, forty-two".

Divisors: 1 2 3 6 2477 4954 7431 14862 142391 284782 427173 854346 352702507 705405014 1058107521 2116215042