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20210014542 = 2311093037273
BaseRepresentation
bin10010110100100111…
…000101100101001110
31221011110201010001010
4102310213011211032
5312342230431132
613141230430050
71313552201124
oct226447054516
957143633033
1020210014542
118631032063
123b00362326
131ba105a2b3
14d9a153914
157d44026cc
hex4b49c594e

20210014542 has 16 divisors (see below), whose sum is σ = 40456489680. Its totient is φ = 6730594752.

The previous prime is 20210014483. The next prime is 20210014567. The reversal of 20210014542 is 24541001202.

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, 1511983 + ... + 1525290.

It is an arithmetic number, because the mean of its divisors is an integer number (2528530605).

Almost surely, 220210014542 is an apocalyptic number.

20210014542 is an abundant number, since it is smaller than the sum of its proper divisors (20246475138).

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

20210014542 is a wasteful number, since it uses less digits than its factorization.

20210014542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038387.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20210014542 its reverse (24541001202), we get a palindrome (44751015744).

The spelling of 20210014542 in words is "twenty billion, two hundred ten million, fourteen thousand, five hundred forty-two".

Divisors: 1 2 3 6 1109 2218 3327 6654 3037273 6074546 9111819 18223638 3368335757 6736671514 10105007271 20210014542