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13211031000 = 233534403677
BaseRepresentation
bin11000100110111000…
…00101010111011000
31021002200212220120110
430103130011113120
5204024010443000
610022530124320
7645244624236
oct142334052730
937080786513
1013211031000
11566a312142
1226884206a0
13132701bc0b
148d47bd956
15524c39850
hex3137055d8

13211031000 has 64 divisors (see below), whose sum is σ = 41218426080. Its totient is φ = 3522940800.

The previous prime is 13211030933. The next prime is 13211031013. The reversal of 13211031000 is 13011231.

It is a super-2 number, since 2×132110310002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 2198839 + ... + 2204838.

Almost surely, 213211031000 is an apocalyptic number.

13211031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211031000 is an abundant number, since it is smaller than the sum of its proper divisors (28007395080).

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

13211031000 is a wasteful number, since it uses less digits than its factorization.

13211031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403701 (or 4403687 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13211031000 its reverse (13011231), we get a palindrome (13224042231).

The spelling of 13211031000 in words is "thirteen billion, two hundred eleven million, thirty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 4403677 8807354 13211031 17614708 22018385 26422062 35229416 44036770 52844124 66055155 88073540 105688248 110091925 132110310 176147080 220183850 264220620 330275775 440367700 528441240 550459625 660551550 880735400 1100919250 1321103100 1651378875 2201838500 2642206200 3302757750 4403677000 6605515500 13211031000