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105454108781417 = 1126491134266147
BaseRepresentation
bin10111111110100011110010…
…101100011010101101101001
3111211101022111011012220211002
4113332203302230122231221
5102310230003322001132
61012140540534244345
731132544056642634
oct2776436254325551
9454338434186732
10105454108781417
1130667922251400
12b9b18677b66b5
1346ac383906466
141c08012a3ac1b
15c2d183d41262
hex5fe8f2b1ab69

105454108781417 has 12 divisors (see below), whose sum is σ = 115930225764528. Its totient is φ = 95852601629400.

The previous prime is 105454108781389. The next prime is 105454108781419. The reversal of 105454108781417 is 714187801454501.

It is not a de Polignac number, because 105454108781417 - 212 = 105454108777321 is a prime.

It is a super-2 number, since 2×1054541087814172 (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105454108781419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66347663 + ... + 67918484.

It is an arithmetic number, because the mean of its divisors is an integer number (9660852147044).

Almost surely, 2105454108781417 is an apocalyptic number.

It is an amenable number.

105454108781417 is a deficient number, since it is larger than the sum of its proper divisors (10476116983111).

105454108781417 is a wasteful number, since it uses less digits than its factorization.

105454108781417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134272660 (or 134272649 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 56.

The spelling of 105454108781417 in words is "one hundred five trillion, four hundred fifty-four billion, one hundred eight million, seven hundred eighty-one thousand, four hundred seventeen".

Divisors: 1 11 121 6491 71401 785411 134266147 1476927617 16246203787 871521560177 9586737161947 105454108781417