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53075780329 = 11132323336917
BaseRepresentation
bin110001011011100100…
…000010001011101001
312001222221110000000211
4301123210002023221
51332144344432304
640214354101121
73556160455225
oct613344021351
9161887400024
1053075780329
1120566992370
12a352b7a7a1
13500b067aa0
1427d7021785
1515a9907204
hexc5b9022e9

53075780329 has 32 divisors (see below), whose sum is σ = 65103139584. Its totient is φ = 42578215680.

The previous prime is 53075780311. The next prime is 53075780333. The reversal of 53075780329 is 92308757035.

It is not a de Polignac number, because 53075780329 - 211 = 53075778281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53075780029) 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, 7669779 + ... + 7676695.

It is an arithmetic number, because the mean of its divisors is an integer number (2034473112).

Almost surely, 253075780329 is an apocalyptic number.

It is an amenable number.

53075780329 is a deficient number, since it is larger than the sum of its proper divisors (12027359255).

53075780329 is a wasteful number, since it uses less digits than its factorization.

53075780329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 53075780329 in words is "fifty-three billion, seventy-five million, seven hundred eighty thousand, three hundred twenty-nine".

Divisors: 1 11 13 23 143 253 299 2333 3289 6917 25663 30329 53659 76087 89921 159091 333619 590249 697567 989131 1750001 2068183 7673237 16137361 22750013 177510971 209785693 371159303 2307642623 4082752333 4825070939 53075780329