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105305299371 = 3323319756393
BaseRepresentation
bin110001000010010101…
…1110101100110101011
3101001210220111110211000
41202010223311212223
53211131124034441
6120213202010043
710415364163416
oct1420453654653
9331726443730
10105305299371
1140729107038
12184aa646923
139c129a323c
14514d8b4b7d
152b14d9a2b6
hex1884af59ab

105305299371 has 64 divisors (see below), whose sum is σ = 169777520640. Its totient is φ = 64313948160.

The previous prime is 105305299369. The next prime is 105305299381. The reversal of 105305299371 is 173992503501.

105305299371 is a `hidden beast` number, since 1 + 0 + 5 + 30 + 529 + 93 + 7 + 1 = 666.

It is not a de Polignac number, because 105305299371 - 21 = 105305299369 is a prime.

It is a super-2 number, since 2×1053052993712 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105305299361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1839151 + ... + 1895543.

It is an arithmetic number, because the mean of its divisors is an integer number (2652773760).

Almost surely, 2105305299371 is an apocalyptic number.

105305299371 is a deficient number, since it is larger than the sum of its proper divisors (64472221269).

105305299371 is a wasteful number, since it uses less digits than its factorization.

105305299371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56553 (or 56547 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The spelling of 105305299371 in words is "one hundred five billion, three hundred five million, two hundred ninety-nine thousand, three hundred seventy-one".

Divisors: 1 3 9 23 27 31 69 93 97 207 279 291 621 713 837 873 2139 2231 2619 3007 6417 6693 9021 19251 20079 27063 56393 60237 69161 81189 169179 207483 507537 622449 1297039 1522611 1748183 1867347 3891117 5244549 5470121 11673351 15733647 16410363 35020053 40208209 47200941 49231089 120624627 125812783 147693267 169573751 361873881 377438349 508721253 1085621643 1132315047 1526163759 3396945141 3900196273 4578491277 11700588819 35101766457 105305299371