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37840129045 = 57568025809
BaseRepresentation
bin100011001111011100…
…101000110000010101
310121200010212201112221
4203033130220300111
51104444033112140
625214501142341
72506466534635
oct431734506025
9117603781487
1037840129045
1115058848024
1274006ba9b1
133750761404
141b8d7b86c5
15eb709514a
hex8cf728c15

37840129045 has 4 divisors (see below), whose sum is σ = 45408154860. Its totient is φ = 30272103232.

The previous prime is 37840129039. The next prime is 37840129097. The reversal of 37840129045 is 54092104873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5529707044 + 32310422001 = 74362^2 + 179751^2 .

It is a cyclic number.

It is not a de Polignac number, because 37840129045 - 231 = 35692645397 is a prime.

It is a super-2 number, since 2×378401290452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37840128992 and 37840129010.

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 3 ways as a sum of consecutive naturals, for example, 3784012900 + ... + 3784012909.

It is an arithmetic number, because the mean of its divisors is an integer number (11352038715).

Almost surely, 237840129045 is an apocalyptic number.

It is an amenable number.

37840129045 is a deficient number, since it is larger than the sum of its proper divisors (7568025815).

37840129045 is an equidigital number, since it uses as much as digits as its factorization.

37840129045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568025814.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 37840129045 in words is "thirty-seven billion, eight hundred forty million, one hundred twenty-nine thousand, forty-five".

Divisors: 1 5 7568025809 37840129045