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11111200102100 = 2252715873143003
BaseRepresentation
bin1010000110110000011100…
…1000101001011011010100
31110100012221122021011021102
42201230013020221123110
52424021214211231400
635344225335405232
72224520616355610
oct241540710513324
943305848234242
1011111200102100
1135a426287553a
1212b5512523818
13627a2144ca37
142a5adbcb4340
15144063d0c9d5
hexa1b072296d4

11111200102100 has 36 divisors (see below), whose sum is σ = 27555776254944. Its totient is φ = 3809554320480.

The previous prime is 11111200102097. The next prime is 11111200102111. The reversal of 11111200102100 is 120100211111.

It is a super-4 number, since 4×111112001021004 (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7936570802 + ... + 7936572201.

It is an arithmetic number, because the mean of its divisors is an integer number (765438229304).

Almost surely, 211111200102100 is an apocalyptic number.

11111200102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111200102100 is an abundant number, since it is smaller than the sum of its proper divisors (16444576152844).

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

11111200102100 is a wasteful number, since it uses less digits than its factorization.

11111200102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15873143024 (or 15873143017 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11111200102100 its reverse (120100211111), we get a palindrome (11231300313211).

The spelling of 11111200102100 in words is "eleven trillion, one hundred eleven billion, two hundred million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 15873143003 31746286006 63492572012 79365715015 111112001021 158731430030 222224002042 317462860060 396828575075 444448004084 555560005105 793657150150 1111120010210 1587314300300 2222240020420 2777800025525 5555600051050 11111200102100