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20748228814 = 229857417419
BaseRepresentation
bin10011010100101100…
…001101100011001110
31222112222110020020001
4103110230031203032
5314443021310224
613310454314514
71333106015005
oct232454154316
958488406201
1020748228814
11888791a445
124030658a3a
131c58702191
14100b815c3c
158167b8544
hex4d4b0d8ce

20748228814 has 16 divisors (see below), whose sum is σ = 32233172400. Its totient is φ = 10004674624.

The previous prime is 20748228773. The next prime is 20748228827. The reversal of 20748228814 is 41882284702.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 159004 + ... + 258415.

It is an arithmetic number, because the mean of its divisors is an integer number (2014573275).

Almost surely, 220748228814 is an apocalyptic number.

20748228814 is a deficient number, since it is larger than the sum of its proper divisors (11484943586).

20748228814 is a wasteful number, since it uses less digits than its factorization.

20748228814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418307.

The product of its (nonzero) digits is 458752, while the sum is 46.

The spelling of 20748228814 in words is "twenty billion, seven hundred forty-eight million, two hundred twenty-eight thousand, eight hundred fourteen".

Divisors: 1 2 29 58 857 1714 24853 49706 417419 834838 12105151 24210302 357728083 715456166 10374114407 20748228814