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17996348161 = 1119416134429
BaseRepresentation
bin10000110000101010…
…100111101100000001
31201110012022012122101
4100300222213230001
5243324031120121
612133432110401
71204652302231
oct206052475401
951405265571
1017996348161
1176a5518810
1235a2b35401
13190a55232c
14c2a159cc1
15704dd6491
hex430aa7b01

17996348161 has 32 divisors (see below), whose sum is σ = 21517372800. Its totient is φ = 14872896000.

The previous prime is 17996348113. The next prime is 17996348173. The reversal of 17996348161 is 16184369971.

It is not a de Polignac number, because 17996348161 - 213 = 17996339969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17996346161) 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, 505495 + ... + 539923.

It is an arithmetic number, because the mean of its divisors is an integer number (672417900).

Almost surely, 217996348161 is an apocalyptic number.

17996348161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17996348161 is a deficient number, since it is larger than the sum of its proper divisors (3521024639).

17996348161 is a wasteful number, since it uses less digits than its factorization.

17996348161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34561.

The product of its digits is 1959552, while the sum is 55.

The spelling of 17996348161 in words is "seventeen billion, nine hundred ninety-six million, three hundred forty-eight thousand, one hundred sixty-one".

Divisors: 1 11 19 41 61 209 451 671 779 1159 2501 8569 12749 27511 34429 47519 378719 522709 654151 1411589 2100169 7195661 15527479 23101859 26820191 39903211 86106929 295022101 438935321 947176219 1636031651 17996348161