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105005055402 = 233131123913309
BaseRepresentation
bin110000111001011001…
…0011111110110101010
3101001000222112111112000
41201302302133312222
53210022243233102
6120123314431430
710405060146522
oct1416262376652
9331028474460
10105005055402
1140594686325
1218425b92576
139b9571b3a0
145121a7a682
152ae883e01c
hex1872c9fdaa

105005055402 has 64 divisors (see below), whose sum is σ = 251335392000. Its totient is φ = 32303945664.

The previous prime is 105005055307. The next prime is 105005055409. The reversal of 105005055402 is 204550500501.

105005055402 is a `hidden beast` number, since 10 + 50 + 0 + 50 + 554 + 0 + 2 = 666.

It is a super-2 number, since 2×1050050554022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (105005055409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7883124 + ... + 7896432.

It is an arithmetic number, because the mean of its divisors is an integer number (3927115500).

Almost surely, 2105005055402 is an apocalyptic number.

105005055402 is an abundant number, since it is smaller than the sum of its proper divisors (146330336598).

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

105005055402 is a wasteful number, since it uses less digits than its factorization.

105005055402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572 (or 24566 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

Adding to 105005055402 its reverse (204550500501), we get a palindrome (309555555903).

The spelling of 105005055402 in words is "one hundred five billion, five million, fifty-five thousand, four hundred two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 11239 13309 22478 26618 33717 39927 67434 79854 101151 119781 146107 173017 202302 239562 292214 303453 346034 359343 438321 519051 606906 718686 876642 1038102 1314963 1557153 2629926 3114306 3944889 4671459 7889778 9342918 149579851 299159702 448739553 897479106 1346218659 1944538063 2692437318 3889076126 4038655977 5833614189 8077311954 11667228378 17500842567 35001685134 52502527701 105005055402