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105312245022 = 232194124733037
BaseRepresentation
bin110001000010100011…
…0010101010100011110
3101001211101120100110100
41202011012111110132
53211134413320042
6120214010521530
710415510212215
oct1420506252436
9331741510410
10105312245022
1140732020446
12184b0a362a6
139c142657aa
1451507a207c
152b157bd24c
hex188519551e

105312245022 has 96 divisors (see below), whose sum is σ = 246224553120. Its totient is φ = 32421565440.

The previous prime is 105312245021. The next prime is 105312245029. The reversal of 105312245022 is 220542213501.

105312245022 is a `hidden beast` number, since 105 + 31 + 2 + 24 + 502 + 2 = 666.

It is a super-2 number, since 2×1053122450222 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105312245021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34674888 + ... + 34677924.

It is an arithmetic number, because the mean of its divisors is an integer number (2564839095).

Almost surely, 2105312245022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105312245022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123112276560).

105312245022 is an abundant number, since it is smaller than the sum of its proper divisors (140912308098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105312245022 is a wasteful number, since it uses less digits than its factorization.

105312245022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578 (or 5575 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 105312245022 its reverse (220542213501), we get a palindrome (325854458523).

The spelling of 105312245022 in words is "one hundred five billion, three hundred twelve million, two hundred forty-five thousand, twenty-two".

Divisors: 1 2 3 6 9 18 19 38 41 57 82 114 123 171 246 342 369 738 779 1558 2337 2473 3037 4674 4946 6074 7011 7419 9111 14022 14838 18222 22257 27333 44514 46987 54666 57703 93974 101393 115406 124517 140961 173109 202786 249034 281922 304179 346218 373551 422883 519327 608358 747102 845766 912537 1038654 1120653 1825074 1926467 2241306 2365823 3852934 4731646 5779401 7097469 7510501 11558802 14194938 15021002 17338203 21292407 22531503 34676406 42584814 45063006 67594509 135189018 142699519 285399038 307930541 428098557 615861082 856197114 923791623 1284295671 1847583246 2568591342 2771374869 5542749738 5850680279 11701360558 17552040837 35104081674 52656122511 105312245022