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16997207736290 = 258212070305449
BaseRepresentation
bin1111011101010111100010…
…0001110111111111100010
32020011220202122001112111012
43313111320201313333202
54211440240140030130
6100052224234420522
73403002436640135
oct367257041677742
966156678045435
1016997207736290
115463525718301
121aa620a591742
13963aa3134cb2
1442a95259621c
151e720a434995
hexf7578877fe2

16997207736290 has 16 divisors (see below), whose sum is σ = 30632239438200. Its totient is φ = 6790601869440.

The previous prime is 16997207736287. The next prime is 16997207736307. The reversal of 16997207736290 is 9263770279961.

It is a Cunningham number, because it is equal to 41227672+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6118998742921 + 10878208993369 = 2473661^2 + 3298213^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16997207736290.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035144515 + ... + 1035160934.

Almost surely, 216997207736290 is an apocalyptic number.

16997207736290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16997207736290 is a deficient number, since it is larger than the sum of its proper divisors (13635031701910).

16997207736290 is a wasteful number, since it uses less digits than its factorization.

16997207736290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070306277.

The product of its (nonzero) digits is 108020304, while the sum is 68.

The spelling of 16997207736290 in words is "sixteen trillion, nine hundred ninety-seven billion, two hundred seven million, seven hundred thirty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 821 1642 4105 8210 2070305449 4140610898 10351527245 20703054490 1699720773629 3399441547258 8498603868145 16997207736290