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2111430244 = 227116855293
BaseRepresentation
bin111110111011001…
…1101111001100100
312110011000202210011
41331312131321210
513311011231434
6545303140004
7103215601210
oct17566357144
95404022704
102111430244
11993935880
124ab144604
13278590711
141605c3940
15c5573e64
hex7dd9de64

2111430244 has 24 divisors (see below), whose sum is σ = 4606757568. Its totient is φ = 822635040.

The previous prime is 2111430239. The next prime is 2111430263. The reversal of 2111430244 is 4420341112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 3427339 + ... + 3427954.

It is an arithmetic number, because the mean of its divisors is an integer number (191948232).

Almost surely, 22111430244 is an apocalyptic number.

It is an amenable number.

2111430244 is an abundant number, since it is smaller than the sum of its proper divisors (2495327324).

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

2111430244 is a wasteful number, since it uses less digits than its factorization.

2111430244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855315 (or 6855313 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2111430244 is about 45950.3018923706. The cubic root of 2111430244 is about 1282.8983483941.

Adding to 2111430244 its reverse (4420341112), we get a palindrome (6531771356).

The spelling of 2111430244 in words is "two billion, one hundred eleven million, four hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 6855293 13710586 27421172 47987051 75408223 95974102 150816446 191948204 301632892 527857561 1055715122 2111430244