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2111200102030 = 25502342030661
BaseRepresentation
bin11110101110001101010…
…101010000011010001110
321110211101011110022211111
4132232031111100122032
5234042214211231110
64253512201042234
7305346335530165
oct36561525203216
97424334408744
102111200102030
1174439a467358
122a11b878637a
13124115590006
147427b1cc3dc
1539db5630e8a
hex1eb8d55068e

2111200102030 has 16 divisors (see below), whose sum is σ = 3800916825984. Its totient is φ = 844311898080.

The previous prime is 2111200102027. The next prime is 2111200102031. The reversal of 2111200102030 is 302010021112.

It is a super-2 number, since 2×21112001020302 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111200102030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111200102031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20965101 + ... + 21065560.

It is an arithmetic number, because the mean of its divisors is an integer number (237557301624).

Almost surely, 22111200102030 is an apocalyptic number.

2111200102030 is a deficient number, since it is larger than the sum of its proper divisors (1689716723954).

2111200102030 is a wasteful number, since it uses less digits than its factorization.

2111200102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42035691.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2111200102030 its reverse (302010021112), we get a palindrome (2413210123142).

The spelling of 2111200102030 in words is "two trillion, one hundred eleven billion, two hundred million, one hundred two thousand, thirty".

Divisors: 1 2 5 10 5023 10046 25115 50230 42030661 84061322 210153305 420306610 211120010203 422240020406 1055600051015 2111200102030