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13021112200 = 2352738391063
BaseRepresentation
bin11000010000001111…
…00110011110001000
31020121110112000221211
430020013212132020
5203131401042300
65552023342504
7640450425145
oct141007463610
936543460854
1013021112200
115582095358
1226348b1a34
1312c6884425
148b74a33cc
155132224ba
hex3081e6788

13021112200 has 96 divisors (see below), whose sum is σ = 30754281600. Its totient is φ = 5126146560.

The previous prime is 13021112197. The next prime is 13021112231. The reversal of 13021112200 is 221112031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12248869 + ... + 12249931.

It is an arithmetic number, because the mean of its divisors is an integer number (320357100).

Almost surely, 213021112200 is an apocalyptic number.

13021112200 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 13021112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15377140800).

13021112200 is an abundant number, since it is smaller than the sum of its proper divisors (17733169400).

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

13021112200 is a wasteful number, since it uses less digits than its factorization.

13021112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13021112200 its reverse (221112031), we get a palindrome (13242224231).

The spelling of 13021112200 in words is "thirteen billion, twenty-one million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 73 100 146 200 292 365 584 730 839 1063 1460 1678 1825 2126 2920 3356 3650 4195 4252 5315 6712 7300 8390 8504 10630 14600 16780 20975 21260 26575 33560 41950 42520 53150 61247 77599 83900 106300 122494 155198 167800 212600 244988 306235 310396 387995 489976 612470 620792 775990 891857 1224940 1531175 1551980 1783714 1939975 2449880 3062350 3103960 3567428 3879950 4459285 6124700 7134856 7759900 8918570 12249400 15519800 17837140 22296425 35674280 44592850 65105561 89185700 130211122 178371400 260422244 325527805 520844488 651055610 1302111220 1627639025 2604222440 3255278050 6510556100 13021112200