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19052857005 = 3571389156833
BaseRepresentation
bin10001101111101000…
…111000011010101101
31211011211022102022120
4101233220320122231
5303010012411010
612430332503153
71243101420030
oct215750703255
954154272276
1019052857005
118097928516
12383891aab9
131a483b63b0
14cca5b7017
15767a2ae70
hex46fa386ad

19052857005 has 64 divisors (see below), whose sum is σ = 37941281280. Its totient is φ = 7949500416.

The previous prime is 19052856899. The next prime is 19052857009. The reversal of 19052857005 is 50075825091.

It is not a de Polignac number, because 19052857005 - 28 = 19052856749 is a prime.

It is a super-2 number, since 2×190528570052 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19052857009) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 43069 + ... + 199901.

It is an arithmetic number, because the mean of its divisors is an integer number (592832520).

Almost surely, 219052857005 is an apocalyptic number.

19052857005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19052857005 is a deficient number, since it is larger than the sum of its proper divisors (18888424275).

19052857005 is a wasteful number, since it uses less digits than its factorization.

19052857005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156950.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 19052857005 in words is "nineteen billion, fifty-two million, eight hundred fifty-seven thousand, five".

Divisors: 1 3 5 7 13 15 21 35 39 65 89 91 105 195 267 273 445 455 623 1157 1335 1365 1869 3115 3471 5785 8099 9345 17355 24297 40495 121485 156833 470499 784165 1097831 2038829 2352495 3293493 5489155 6116487 10194145 13958137 14271803 16467465 30582435 41874411 42815409 69790685 71359015 97706959 181455781 209372055 214077045 293120877 488534795 544367343 907278905 1270190467 1465604385 2721836715 3810571401 6350952335 19052857005