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11885084672 = 21922669
BaseRepresentation
bin10110001000110100…
…00000000000000000
31010200021212212011012
423010122000000000
5143320040202142
65243202340052
7600344360426
oct130432000000
933607785135
1011885084672
11504990302a
12237835a628
1311753cb0a6
1480a667116
15498621882
hex2c4680000

11885084672 has 40 divisors (see below), whose sum is σ = 23771195250. Its totient is φ = 5942280192.

The previous prime is 11885084669. The next prime is 11885084683. The reversal of 11885084672 is 27648058811.

It can be written as a sum of positive squares in only one way, i.e., 6964903936 + 4920180736 = 83456^2 + 70144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11885084672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512954 + ... + 535622.

Almost surely, 211885084672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11885084672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11885597625).

11885084672 is an abundant number, since it is smaller than the sum of its proper divisors (11886110578).

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

11885084672 is an frugal number, since it uses more digits than its factorization.

11885084672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22707 (or 22671 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 11885084672 in words is "eleven billion, eight hundred eighty-five million, eighty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 22669 32768 45338 65536 90676 131072 181352 262144 362704 524288 725408 1450816 2901632 5803264 11606528 23213056 46426112 92852224 185704448 371408896 742817792 1485635584 2971271168 5942542336 11885084672