Search a number
-
+
212343282154 = 2109974051753
BaseRepresentation
bin1100010111000010100…
…1010101100111101010
3202022002120100101102201
43011300221111213222
511434334340012104
6241314341250414
721225031055233
oct3056051254752
9668076311381
10212343282154
1182066279833
12351a1403a0a
1317040627223
14a3c553c08a
1557cbe030a4
hex3170a559ea

212343282154 has 8 divisors (see below), whose sum is σ = 321437078820. Its totient is φ = 105197589216.

The previous prime is 212343282149. The next prime is 212343282169. The reversal of 212343282154 is 451282343212.

212343282154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 203244983929 + 9098298225 = 450827^2 + 95385^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 487025659 + ... + 487026094.

Almost surely, 2212343282154 is an apocalyptic number.

212343282154 is a deficient number, since it is larger than the sum of its proper divisors (109093796666).

212343282154 is a wasteful number, since it uses less digits than its factorization.

212343282154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974051864.

The product of its digits is 92160, while the sum is 37.

The spelling of 212343282154 in words is "two hundred twelve billion, three hundred forty-three million, two hundred eighty-two thousand, one hundred fifty-four".

Divisors: 1 2 109 218 974051753 1948103506 106171641077 212343282154