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12170113054 = 21119137223953
BaseRepresentation
bin10110101010110010…
…10011000000011110
31011102011012210120221
423111121103000132
5144411022104204
65331343431554
7610405153111
oct132531230036
934364183527
1012170113054
115185791080
1224378b55ba
1311bc486438
14836460578
154b3674654
hex2d565301e

12170113054 has 64 divisors (see below), whose sum is σ = 21232834560. Its totient is φ = 5173701120.

The previous prime is 12170113037. The next prime is 12170113099. The reversal of 12170113054 is 45031107121.

It is a super-2 number, since 2×121701130542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12769842 + ... + 12770794.

It is an arithmetic number, because the mean of its divisors is an integer number (331763040).

Almost surely, 212170113054 is an apocalyptic number.

12170113054 is a deficient number, since it is larger than the sum of its proper divisors (9062721506).

12170113054 is a wasteful number, since it uses less digits than its factorization.

12170113054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 12170113054 in words is "twelve billion, one hundred seventy million, one hundred thirteen thousand, fifty-four".

Divisors: 1 2 11 19 22 38 137 209 223 274 418 446 953 1507 1906 2453 2603 3014 4237 4906 5206 8474 10483 18107 20966 28633 30551 36214 46607 57266 61102 93214 130561 199177 212519 261122 336061 398354 425038 580469 672122 1160938 1436171 2337709 2480659 2872342 4037861 4675418 4961318 6385159 8075722 12770318 27287249 29115103 44416471 54574498 58230206 88832942 320266133 553186957 640532266 1106373914 6085056527 12170113054