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2031142442 = 27331438313
BaseRepresentation
bin111100100010000…
…1100011000101010
312020112221201121212
41321010030120222
513124433024232
6533314233122
7101222266040
oct17104143052
95215851555
102031142442
1195258841a
124882857a2
13264a5c344
14153a84390
15bd4b4eb2
hex7910c62a

2031142442 has 16 divisors (see below), whose sum is σ = 3492485952. Its totient is φ = 867857760.

The previous prime is 2031142433. The next prime is 2031142471. The reversal of 2031142442 is 2442411302.

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, 214523 + ... + 223790.

It is an arithmetic number, because the mean of its divisors is an integer number (218280372).

Almost surely, 22031142442 is an apocalyptic number.

2031142442 is a deficient number, since it is larger than the sum of its proper divisors (1461343510).

2031142442 is a wasteful number, since it uses less digits than its factorization.

2031142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438653.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2031142442 is about 45068.1976786292. The cubic root of 2031142442 is about 1266.4269008629.

Adding to 2031142442 its reverse (2442411302), we get a palindrome (4473553744).

The spelling of 2031142442 in words is "two billion, thirty-one million, one hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 7 14 331 662 2317 4634 438313 876626 3068191 6136382 145081603 290163206 1015571221 2031142442