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2111412442 = 21055706221
BaseRepresentation
bin111110111011001…
…1001100011011010
312110010222212100211
41331312121203122
513311010144232
6545302521334
7103215465256
oct17566314332
95403885324
102111412442
11993923467
124ab13624a
13278585599
141605bb266
15c556da47
hex7dd998da

2111412442 has 4 divisors (see below), whose sum is σ = 3167118666. Its totient is φ = 1055706220.

The previous prime is 2111412403. The next prime is 2111412467. The reversal of 2111412442 is 2442141112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1095014281 + 1016398161 = 33091^2 + 31881^2 .

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 as a sum of consecutive naturals, namely, 527853109 + ... + 527853112.

Almost surely, 22111412442 is an apocalyptic number.

2111412442 is a deficient number, since it is larger than the sum of its proper divisors (1055706224).

2111412442 is a wasteful number, since it uses less digits than its factorization.

2111412442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055706223.

The product of its digits is 512, while the sum is 22.

The square root of 2111412442 is about 45950.1081826800. The cubic root of 2111412442 is about 1282.8947429043.

Adding to 2111412442 its reverse (2442141112), we get a palindrome (4553553554).

The spelling of 2111412442 in words is "two billion, one hundred eleven million, four hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 1055706221 2111412442