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12112080 = 2435109463
BaseRepresentation
bin101110001101…
…000011010000
3211210100122120
4232031003100
511100041310
61111334240
7204644121
oct56150320
924710576
1012112080
116922a92
124081380
132681016
141874048
1510e3b70
hexb8d0d0

12112080 has 80 divisors (see below), whose sum is σ = 37973760. Its totient is φ = 3193344.

The previous prime is 12112069. The next prime is 12112127. The reversal of 12112080 is 8021121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×121120803 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 25929 + ... + 26391.

It is an arithmetic number, because the mean of its divisors is an integer number (474672).

Almost surely, 212112080 is an apocalyptic number.

12112080 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 12112080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18986880).

12112080 is an abundant number, since it is smaller than the sum of its proper divisors (25861680).

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

12112080 is a wasteful number, since it uses less digits than its factorization.

12112080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 12112080 is about 3480.2413709397. The cubic root of 12112080 is about 229.6534162484.

The spelling of 12112080 in words is "twelve million, one hundred twelve thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 109 120 218 240 327 436 463 545 654 872 926 1090 1308 1389 1635 1744 1852 2180 2315 2616 2778 3270 3704 4360 4630 5232 5556 6540 6945 7408 8720 9260 11112 13080 13890 18520 22224 26160 27780 37040 50467 55560 100934 111120 151401 201868 252335 302802 403736 504670 605604 757005 807472 1009340 1211208 1514010 2018680 2422416 3028020 4037360 6056040 12112080