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20313674446 = 2137331065887
BaseRepresentation
bin10010111010110010…
…100001001011001110
31221102200202120200211
4102322302201023032
5313100300040241
613155412313034
71316251245442
oct227262411316
957380676624
1020313674446
1186845a32aa
123b2b01277a
131bb9682910
14da9c18822
157dd57b781
hex4baca12ce

20313674446 has 16 divisors (see below), whose sum is σ = 32859195264. Its totient is φ = 9362742624.

The previous prime is 20313674443. The next prime is 20313674483. The reversal of 20313674446 is 64447631302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20313674399 and 20313674408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313674441) by changing a digit.

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, 513886 + ... + 552001.

It is an arithmetic number, because the mean of its divisors is an integer number (2053699704).

Almost surely, 220313674446 is an apocalyptic number.

20313674446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20313674446 is a deficient number, since it is larger than the sum of its proper divisors (12545520818).

20313674446 is a wasteful number, since it uses less digits than its factorization.

20313674446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066635.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 20313674446 in words is "twenty billion, three hundred thirteen million, six hundred seventy-four thousand, four hundred forty-six".

Divisors: 1 2 13 26 733 1466 9529 19058 1065887 2131774 13856531 27713062 781295171 1562590342 10156837223 20313674446