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2120000111200 = 25522650000139
BaseRepresentation
bin11110110110011001110…
…110101000001001100000
321111200002110020010000001
4132312121312220021200
5234213230012024300
64301525315505344
7306110402422456
oct36663166501140
97450073203001
102120000111200
117480a5881504
122a2a538b8254
13124bb878a22a
1474873c249d6
153a22cea616a
hex1ed99da8260

2120000111200 has 36 divisors (see below), whose sum is σ = 5175450273420. Its totient is φ = 848000044160.

The previous prime is 2120000111197. The next prime is 2120000111213. The reversal of 2120000111200 is 21110000212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1324999270 + ... + 1325000869.

It is an arithmetic number, because the mean of its divisors is an integer number (143762507595).

Almost surely, 22120000111200 is an apocalyptic number.

2120000111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120000111200 is an abundant number, since it is smaller than the sum of its proper divisors (3055450162220).

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

2120000111200 is a wasteful number, since it uses less digits than its factorization.

2120000111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650000159 (or 2650000146 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2120000111200 its reverse (21110000212), we get a palindrome (2141110111412).

The spelling of 2120000111200 in words is "two trillion, one hundred twenty billion, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 2650000139 5300000278 10600000556 13250000695 21200001112 26500001390 42400002224 53000002780 66250003475 84800004448 106000005560 132500006950 212000011120 265000013900 424000022240 530000027800 1060000055600 2120000111200