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11876881380 = 223571319114487
BaseRepresentation
bin10110000111110101…
…01101001111100100
31010122201110002100120
423003322231033210
5143310440201010
65242310441540
7600214553220
oct130372551744
933581402316
1011876881380
11504520a851
1223756632b0
1311737b8280
1480952d780
15497a50e70
hex2c3ead3e4

11876881380 has 192 divisors, whose sum is σ = 43084124160. Its totient is φ = 2373981696.

The previous prime is 11876881363. The next prime is 11876881391. The reversal of 11876881380 is 8318867811.

It is a super-2 number, since 2×118768813802 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46497 + ... + 160983.

It is an arithmetic number, because the mean of its divisors is an integer number (224396480).

Almost surely, 211876881380 is an apocalyptic number.

11876881380 is a gapful number since it is divisible by the number (10) 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 11876881380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21542062080).

11876881380 is an abundant number, since it is smaller than the sum of its proper divisors (31207242780).

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

11876881380 is a wasteful number, since it uses less digits than its factorization.

11876881380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114538 (or 114536 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 51.

The spelling of 11876881380 in words is "eleven billion, eight hundred seventy-six million, eight hundred eighty-one thousand, three hundred eighty".