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20024137734745 = 5173316171153511
BaseRepresentation
bin1001000110110001110111…
…00111011101101001011001
32121220021210120212110220111
410203120323213131221121
510111033413230002440
6110330543433324321
74134460541256244
oct443307347355131
977807716773814
1020024137734745
1164202097a5451
1222b498b2666a1
13b23363ca6311
144d325dcac25b
1524ad18ed24ea
hex12363b9dda59

20024137734745 has 32 divisors (see below), whose sum is σ = 25560681636096. Its totient is φ = 15007072819200.

The previous prime is 20024137734683. The next prime is 20024137734751. The reversal of 20024137734745 is 54743773142002.

It is not a de Polignac number, because 20024137734745 - 27 = 20024137734617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16782540 + ... + 17936050.

It is an arithmetic number, because the mean of its divisors is an integer number (798771301128).

Almost surely, 220024137734745 is an apocalyptic number.

It is an amenable number.

20024137734745 is a deficient number, since it is larger than the sum of its proper divisors (5536543901351).

20024137734745 is a wasteful number, since it uses less digits than its factorization.

20024137734745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154481.

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 20024137734745 in words is "twenty trillion, twenty-four billion, one hundred thirty-seven million, seven hundred thirty-four thousand, seven hundred forty-five".

Divisors: 1 5 17 85 331 617 1655 3085 5627 10489 28135 52445 204227 1021135 1153511 3471859 5767555 17359295 19609687 98048435 381812141 711716287 1909060705 3558581435 6490806397 12099176879 32454031985 60495884395 235578090997 1177890454985 4004827546949 20024137734745