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11885869032 = 2336159313691
BaseRepresentation
bin10110001000111001…
…11111011111101000
31010200100100201002120
423010130333133220
5143320240302112
65243231231240
7600354135252
oct130434773750
933610321076
1011885869032
11504a299364
122378678520
1311756140cb
1480a7cccd2
15498728e8c
hex2c473f7e8

11885869032 has 64 divisors (see below), whose sum is σ = 30254938560. Its totient is φ = 3890150400.

The previous prime is 11885869019. The next prime is 11885869043. The reversal of 11885869032 is 23096858811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861307 + ... + 874997.

It is an arithmetic number, because the mean of its divisors is an integer number (472733415).

Almost surely, 211885869032 is an apocalyptic number.

11885869032 is a gapful number since it is divisible by the number (12) 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 11885869032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15127469280).

11885869032 is an abundant number, since it is smaller than the sum of its proper divisors (18369069528).

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

11885869032 is a wasteful number, since it uses less digits than its factorization.

11885869032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14354 (or 14350 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 11885869032 in words is "eleven billion, eight hundred eighty-five million, eight hundred sixty-nine thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 593 732 1186 1464 1779 2372 3558 4744 7116 13691 14232 27382 36173 41073 54764 72346 82146 108519 109528 144692 164292 217038 289384 328584 434076 835151 868152 1670302 2505453 3340604 5010906 6681208 8118763 10021812 16237526 20043624 24356289 32475052 48712578 64950104 97425156 194850312 495244543 990489086 1485733629 1980978172 2971467258 3961956344 5942934516 11885869032