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17213455105 = 571144710273
BaseRepresentation
bin10000000010000000…
…000111101100000001
31122102122011010021021
4100002000013230001
5240223121030410
611524024025441
71146364645210
oct200200075401
948378133237
1017213455105
117333601660
123404902281
1318142abac2
14b941a5077
156ab2dceda
hex402007b01

17213455105 has 16 divisors (see below), whose sum is σ = 25753117824. Its totient is φ = 10730465280.

The previous prime is 17213455081. The next prime is 17213455109. The reversal of 17213455105 is 50155431271.

It is not a de Polignac number, because 17213455105 - 217 = 17213324033 is a prime.

It is a super-2 number, since 2×172134551052 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17213455109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22354752 + ... + 22355521.

It is an arithmetic number, because the mean of its divisors is an integer number (1609569864).

Almost surely, 217213455105 is an apocalyptic number.

It is an amenable number.

17213455105 is a deficient number, since it is larger than the sum of its proper divisors (8539662719).

17213455105 is a wasteful number, since it uses less digits than its factorization.

17213455105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44710296.

The product of its (nonzero) digits is 21000, while the sum is 34.

Adding to 17213455105 its reverse (50155431271), we get a palindrome (67368886376).

The spelling of 17213455105 in words is "seventeen billion, two hundred thirteen million, four hundred fifty-five thousand, one hundred five".

Divisors: 1 5 7 11 35 55 77 385 44710273 223551365 312971911 491813003 1564859555 2459065015 3442691021 17213455105