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105164461257 = 3291319227381
BaseRepresentation
bin110000111110001001…
…0100101010011001001
3101001110002111011020120
41201330102211103021
53210334100230012
6120151211213453
710412034112602
oct1417422452311
9331402434216
10105164461257
11406666622a9
121846b447289
139bbc76158b
145138cd2da9
152b0782a58c
hex187c4a54c9

105164461257 has 16 divisors (see below), whose sum is σ = 146161730880. Its totient is φ = 67175326400.

The previous prime is 105164461249. The next prime is 105164461291. The reversal of 105164461257 is 752164461501.

It is a cyclic number.

It is not a de Polignac number, because 105164461257 - 23 = 105164461249 is a prime.

It is a super-2 number, since 2×1051644612572 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105164461247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602294 + ... + 4625087.

It is an arithmetic number, because the mean of its divisors is an integer number (9135108180).

Almost surely, 2105164461257 is an apocalyptic number.

It is an amenable number.

105164461257 is a deficient number, since it is larger than the sum of its proper divisors (40997269623).

105164461257 is a wasteful number, since it uses less digits than its factorization.

105164461257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227544.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 105164461257 in words is "one hundred five billion, one hundred sixty-four million, four hundred sixty-one thousand, two hundred fifty-seven".

Divisors: 1 3 29 87 131 393 3799 11397 9227381 27682143 267594049 802782147 1208786911 3626360733 35054820419 105164461257