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13002130020 = 22351121979091
BaseRepresentation
bin11000001101111110…
…01100001001100100
31020120010210122022010
430012333030021210
5203112021130040
65550104434220
7640130165415
oct140677141144
936503718263
1013002130020
1155723aa800
12262a478970
1312c2969379
148b4b6180c
15511722e80
hex306fcc264

13002130020 has 144 divisors (see below), whose sum is σ = 40224026304. Its totient is φ = 3135686400.

The previous prime is 13002129997. The next prime is 13002130021. The reversal of 13002130020 is 2003120031.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13002129978 and 13002130005.

It is not an unprimeable number, because it can be changed into a prime (13002130021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1425675 + ... + 1434765.

It is an arithmetic number, because the mean of its divisors is an integer number (279333516).

Almost surely, 213002130020 is an apocalyptic number.

13002130020 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 13002130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20112013152).

13002130020 is an abundant number, since it is smaller than the sum of its proper divisors (27221896284).

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

13002130020 is a wasteful number, since it uses less digits than its factorization.

13002130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322 (or 9309 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13002130020 its reverse (2003120031), we get a palindrome (15005250051).

The spelling of 13002130020 in words is "thirteen billion, two million, one hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 197 220 242 330 363 394 484 591 605 660 726 788 985 1182 1210 1452 1815 1970 2167 2364 2420 2955 3630 3940 4334 5910 6501 7260 8668 9091 10835 11820 13002 18182 21670 23837 26004 27273 32505 36364 43340 45455 47674 54546 65010 71511 90910 95348 100001 109092 119185 130020 136365 143022 181820 200002 238370 272730 286044 300003 357555 400004 476740 500005 545460 600006 715110 1000010 1100011 1200012 1430220 1500015 1790927 2000020 2200022 3000030 3300033 3581854 4400044 5372781 5500055 6000060 6600066 7163708 8954635 10745562 11000110 13200132 16500165 17909270 19700197 21491124 22000220 26863905 33000330 35818540 39400394 53727810 59100591 66000660 78800788 98500985 107455620 118201182 197001970 216702167 236402364 295502955 394003940 433404334 591005910 650106501 866808668 1083510835 1182011820 1300213002 2167021670 2600426004 3250532505 4334043340 6501065010 13002130020