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105351919091 = 6611367116593
BaseRepresentation
bin110001000011101110…
…1101011010111110011
3101001221011020000001022
41202013131223113303
53211230042402331
6120221545130055
710416501352106
oct1420735532763
9331834200038
10105351919091
1140752459131
121850218992b
139c1c546b83
145155b6c73d
152b1900867b
hex188776b5f3

105351919091 has 8 divisors (see below), whose sum is σ = 105589391904. Its totient is φ = 105114683520.

The previous prime is 105351919067. The next prime is 105351919097. The reversal of 105351919091 is 190919153501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105351919091 - 222 = 105347724787 is a prime.

It is a super-2 number, since 2×1053519190912 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105351919097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845291 + ... + 961883.

It is an arithmetic number, because the mean of its divisors is an integer number (13198673988).

Almost surely, 2105351919091 is an apocalyptic number.

105351919091 is a deficient number, since it is larger than the sum of its proper divisors (237472813).

105351919091 is a wasteful number, since it uses less digits than its factorization.

105351919091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118621.

The product of its (nonzero) digits is 54675, while the sum is 44.

The spelling of 105351919091 in words is "one hundred five billion, three hundred fifty-one million, nine hundred nineteen thousand, ninety-one".

Divisors: 1 661 1367 116593 903587 77067973 159382631 105351919091