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30111332100 = 22352665915073
BaseRepresentation
bin11100000010110001…
…100111011100000100
32212201111210011022020
4130002301213130010
5443132000111400
621455530203140
72114121046143
oct340261473404
985644704266
1030111332100
1111852075533
125a042834b0
132abb475895
14165914975a
15bb37bb2a0
hex702c67704

30111332100 has 72 divisors (see below), whose sum is σ = 87140985120. Its totient is φ = 8027950080.

The previous prime is 30111332047. The next prime is 30111332123. The reversal of 30111332100 is 123311103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30111332100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1990164 + ... + 2005236.

It is an arithmetic number, because the mean of its divisors is an integer number (1210291460).

Almost surely, 230111332100 is an apocalyptic number.

30111332100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30111332100 is an abundant number, since it is smaller than the sum of its proper divisors (57029653020).

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

30111332100 is a wasteful number, since it uses less digits than its factorization.

30111332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21749 (or 21742 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30111332100 its reverse (123311103), we get a palindrome (30234643203).

The spelling of 30111332100 in words is "thirty billion, one hundred eleven million, three hundred thirty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 6659 13318 15073 19977 26636 30146 33295 39954 45219 60292 66590 75365 79908 90438 99885 133180 150730 166475 180876 199770 226095 301460 332950 376825 399540 452190 499425 665900 753650 904380 998850 1130475 1507300 1997700 2260950 4521900 100371107 200742214 301113321 401484428 501855535 602226642 1003711070 1204453284 1505566605 2007422140 2509277675 3011133210 5018555350 6022266420 7527833025 10037110700 15055666050 30111332100