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1985051314 = 26011651457
BaseRepresentation
bin111011001010001…
…0111101010110010
312010100020001111001
41312110113222302
513031133120224
6524550312214
7100122441421
oct16624275262
95110201431
101985051314
11929567484
1247495866a
1325834219c
1414b8c72b8
15b940d544
hex76517ab2

1985051314 has 8 divisors (see below), whose sum is σ = 2982533148. Its totient is φ = 990873600.

The previous prime is 1985051293. The next prime is 1985051351. The reversal of 1985051314 is 4131505891.

It can be written as a sum of positive squares in 2 ways, for example, as 1983188089 + 1863225 = 44533^2 + 1365^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824527 + ... + 826930.

Almost surely, 21985051314 is an apocalyptic number.

1985051314 is a deficient number, since it is larger than the sum of its proper divisors (997481834).

1985051314 is a wasteful number, since it uses less digits than its factorization.

1985051314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652060.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 1985051314 is about 44553.9146877129. The cubic root of 1985051314 is about 1256.7741691750.

The spelling of 1985051314 in words is "one billion, nine hundred eighty-five million, fifty-one thousand, three hundred fourteen".

Divisors: 1 2 601 1202 1651457 3302914 992525657 1985051314