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20301444042 = 2311535803729
BaseRepresentation
bin10010111010000011…
…110111001111001010
31221101211202012201220
4102322003313033022
5313034132202132
613154254222510
71316042266335
oct227203671712
957354665656
1020301444042
1186786aa430
123b26ab4a36
131bb6c8caa9
14da835361c
157dc462a2c
hex4ba0f73ca

20301444042 has 32 divisors (see below), whose sum is σ = 45129804480. Its totient is φ = 6035877120.

The previous prime is 20301443983. The next prime is 20301444139. The reversal of 20301444042 is 24044410302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2898367 + ... + 2905362.

It is an arithmetic number, because the mean of its divisors is an integer number (1410306390).

Almost surely, 220301444042 is an apocalyptic number.

20301444042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20301444042 is an abundant number, since it is smaller than the sum of its proper divisors (24828360438).

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

20301444042 is a wasteful number, since it uses less digits than its factorization.

20301444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803798.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20301444042 its reverse (24044410302), we get a palindrome (44345854344).

The spelling of 20301444042 in words is "twenty billion, three hundred one million, four hundred forty-four thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 53 66 106 159 318 583 1166 1749 3498 5803729 11607458 17411187 34822374 63841019 127682038 191523057 307597637 383046114 615195274 922792911 1845585822 3383574007 6767148014 10150722021 20301444042