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2111100011112 = 23390599709957
BaseRepresentation
bin11110101110000111010…
…111011100001001101000
321110211010012010011220110
4132232013113130021220
5234042013100323422
64253454223454320
7305344012006011
oct36560727341150
97424105104813
102111100011112
11744348a13594
122a118b1573a0
131240ca917011
147426bbb6008
1539dab95e60c
hex1eb875dc268

2111100011112 has 32 divisors (see below), whose sum is σ = 5278333168800. Its totient is φ = 703622251584.

The previous prime is 2111100011087. The next prime is 2111100011131.

2111100011112 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4637563 + ... + 5072394.

It is an arithmetic number, because the mean of its divisors is an integer number (164947911525).

Almost surely, 22111100011112 is an apocalyptic number.

It is an amenable number.

2111100011112 is an abundant number, since it is smaller than the sum of its proper divisors (3167233157688).

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

2111100011112 is a wasteful number, since it uses less digits than its factorization.

2111100011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719025 (or 9719021 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

It can be divided in two parts, 21111000 and 11112, that added together give a palindrome (21122112).

The spelling of 2111100011112 in words is "two trillion, one hundred eleven billion, one hundred million, eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 9059 18118 27177 36236 54354 72472 108708 217416 9709957 19419914 29129871 38839828 58259742 77679656 116519484 233038968 87962500463 175925000926 263887501389 351850001852 527775002778 703700003704 1055550005556 2111100011112