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34742744785 = 5719279118719
BaseRepresentation
bin100000010110110101…
…000011011011010001
310022200021121022010101
4200112311003123101
51032123120313120
623543253332401
72336646313060
oct402665033321
9108607538111
1034742744785
1113809412421
126897337101
133378b40b68
1419782a21d7
15d851b690a
hex816d436d1

34742744785 has 32 divisors (see below), whose sum is σ = 50175590400. Its totient is φ = 22560431040.

The previous prime is 34742744759. The next prime is 34742744789. The reversal of 34742744785 is 58744724743.

It is a happy number.

It is not a de Polignac number, because 34742744785 - 211 = 34742742737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34742744789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1846656 + ... + 1865374.

It is an arithmetic number, because the mean of its divisors is an integer number (1567987200).

Almost surely, 234742744785 is an apocalyptic number.

34742744785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34742744785 is a deficient number, since it is larger than the sum of its proper divisors (15432845615).

34742744785 is a wasteful number, since it uses less digits than its factorization.

34742744785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21541.

The product of its digits is 21073920, while the sum is 55.

The spelling of 34742744785 in words is "thirty-four billion, seven hundred forty-two million, seven hundred forty-four thousand, seven hundred eighty-five".

Divisors: 1 5 7 19 35 95 133 665 2791 13955 18719 19537 53029 93595 97685 131033 265145 355661 371203 655165 1778305 1856015 2489627 12448135 52244729 261223645 365713103 992649851 1828565515 4963249255 6948548957 34742744785