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2118704142 = 23828742611
BaseRepresentation
bin111111001001000…
…1101110000001110
312110122201022200210
41332102031300032
513314342013032
6550123103250
7103334455002
oct17622156016
95418638623
102118704142
11997a53865
124b1671b26
13279c394b9
14161558702
15c600e2cc
hex7e48dc0e

2118704142 has 16 divisors (see below), whose sum is σ = 4238019072. Its totient is φ = 706132920.

The previous prime is 2118704131. The next prime is 2118704143. The reversal of 2118704142 is 2414078112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118704143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28417 + ... + 71027.

It is an arithmetic number, because the mean of its divisors is an integer number (264876192).

Almost surely, 22118704142 is an apocalyptic number.

2118704142 is an abundant number, since it is smaller than the sum of its proper divisors (2119314930).

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

2118704142 is a wasteful number, since it uses less digits than its factorization.

2118704142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50903.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2118704142 is about 46029.3834631749. The cubic root of 2118704142 is about 1284.3698590473.

The spelling of 2118704142 in words is "two billion, one hundred eighteen million, seven hundred four thousand, one hundred forty-two".

Divisors: 1 2 3 6 8287 16574 24861 42611 49722 85222 127833 255666 353117357 706234714 1059352071 2118704142