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2111299942752 = 2534711137173157
BaseRepresentation
bin11110101110010011010…
…010000111100101100000
321110211122010022202120000
4132232103102013211200
5234042420241132002
64253530125020000
7305351660260050
oct36562322074540
97424563282500
102111299942752
1174444085a150
122a12260b4600
13124130179170
147428a57b560
1539dbe2a361c
hex1eb93487960

2111299942752 has 1920 divisors, whose sum is σ = 8624749529088. Its totient is φ = 489104179200.

The previous prime is 2111299942751. The next prime is 2111299942757. The reversal of 2111299942752 is 2572499921112.

2111299942752 is a `hidden beast` number, since 2 + 1 + 1 + 129 + 99 + 427 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111299942751) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 13447770258 + ... + 13447770414.

Almost surely, 22111299942752 is an apocalyptic number.

2111299942752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111299942752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312374764544).

2111299942752 is an abundant number, since it is smaller than the sum of its proper divisors (6513449586336).

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

2111299942752 is a wasteful number, since it uses less digits than its factorization.

2111299942752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 337 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 2111299942752 in words is "two trillion, one hundred eleven billion, two hundred ninety-nine million, nine hundred forty-two thousand, seven hundred fifty-two".