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12044271880 = 2352961170213
BaseRepresentation
bin10110011011110010…
…10000000100001000
31011002101102101221201
423031321100010020
5144131313200010
65311050313544
7604316423164
oct131571200410
934071371851
1012044271880
11512074a803
1224017288b4
13119c3958c4
14823863ca4
154a75b823a
hex2cde50108

12044271880 has 64 divisors (see below), whose sum is σ = 28493823600. Its totient is φ = 4575298560.

The previous prime is 12044271803. The next prime is 12044271881. The reversal of 12044271880 is 8817244021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 486731844 + 11557540036 = 22062^2 + 107506^2 .

It is not an unprimeable number, because it can be changed into a prime (12044271881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14347 + ... + 155866.

Almost surely, 212044271880 is an apocalyptic number.

12044271880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12044271880 is an abundant number, since it is smaller than the sum of its proper divisors (16449551720).

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

12044271880 is a wasteful number, since it uses less digits than its factorization.

12044271880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170314 (or 170310 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 12044271880 in words is "twelve billion, forty-four million, two hundred seventy-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 61 116 122 145 232 244 290 305 488 580 610 1160 1220 1769 2440 3538 7076 8845 14152 17690 35380 70760 170213 340426 680852 851065 1361704 1702130 3404260 4936177 6808520 9872354 10382993 19744708 20765986 24680885 39489416 41531972 49361770 51914965 83063944 98723540 103829930 197447080 207659860 301106797 415319720 602213594 1204427188 1505533985 2408854376 3011067970 6022135940 12044271880