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2112100310310 = 23570403343677
BaseRepresentation
bin11110101111000010111…
…111010001110100100110
321110220200220100122102220
4132233002333101310212
5234101040134412220
64254141355413210
7305410546264134
oct36570277216446
97426626318386
102112100310310
11744811621141
122a140a154206
13124229c2a433
14743249a0754
1539e1969e540
hex1ebc2fd1d26

2112100310310 has 16 divisors (see below), whose sum is σ = 5069040744816. Its totient is φ = 563226749408.

The previous prime is 2112100310293. The next prime is 2112100310323. The reversal of 2112100310310 is 130130012112.

It is a happy number.

It is a super-2 number, since 2×21121003103102 (a number of 25 digits) contains 22 as substring.

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 2112100310310.

It is a congruent number.

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, 35201671809 + ... + 35201671868.

It is an arithmetic number, because the mean of its divisors is an integer number (316815046551).

Almost surely, 22112100310310 is an apocalyptic number.

2112100310310 is an abundant number, since it is smaller than the sum of its proper divisors (2956940434506).

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

2112100310310 is a wasteful number, since it uses less digits than its factorization.

2112100310310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70403343687.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2112100310310 its reverse (130130012112), we get a palindrome (2242230322422).

The spelling of 2112100310310 in words is "two trillion, one hundred twelve billion, one hundred million, three hundred ten thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 70403343677 140806687354 211210031031 352016718385 422420062062 704033436770 1056050155155 2112100310310