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105412126215 = 3511638861371
BaseRepresentation
bin110001000101100001…
…1010110011000000111
3101002002100111211200210
41202023003112120013
53211341001014330
6120231535410503
710421132201064
oct1421303263007
9332070454623
10105412126215
1140783440690
121851a383a33
139c2bb671a6
14515db61c6b
152b1e44c8b0
hex188b0d6607

105412126215 has 16 divisors (see below), whose sum is σ = 183992075136. Its totient is φ = 51108909600.

The previous prime is 105412126181. The next prime is 105412126249. The reversal of 105412126215 is 512621214501.

It is an interprime number because it is at equal distance from previous prime (105412126181) and next prime (105412126249).

It is not a de Polignac number, because 105412126215 - 213 = 105412118023 is a prime.

It is a super-3 number, since 3×1054121262153 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319430521 + ... + 319430850.

It is an arithmetic number, because the mean of its divisors is an integer number (11499504696).

Almost surely, 2105412126215 is an apocalyptic number.

105412126215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105412126215 is a deficient number, since it is larger than the sum of its proper divisors (78579948921).

105412126215 is a wasteful number, since it uses less digits than its factorization.

105412126215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638861390.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 105412126215 in words is "one hundred five billion, four hundred twelve million, one hundred twenty-six thousand, two hundred fifteen".

Divisors: 1 3 5 11 15 33 55 165 638861371 1916584113 3194306855 7027475081 9582920565 21082425243 35137375405 105412126215