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13130321100 = 22352137147419
BaseRepresentation
bin11000011101010000…
…01100110011001100
31020220002000102101220
430032220030303030
5203342330233400
610010524203340
7643244613351
oct141650146314
936802012356
1013130321100
1156287a6646
122665399550
1313133a0690
148c7bb0628
1551cae57a0
hex30ea0cccc

13130321100 has 144 divisors (see below), whose sum is σ = 41489844480. Its totient is φ = 3186489600.

The previous prime is 13130321077. The next prime is 13130321101. The reversal of 13130321100 is 112303131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13130321100.

It is not an unprimeable number, because it can be changed into a prime (13130321101) 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, 253191 + ... + 300609.

It is an arithmetic number, because the mean of its divisors is an integer number (288123920).

Almost surely, 213130321100 is an apocalyptic number.

13130321100 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 13130321100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20744922240).

13130321100 is an abundant number, since it is smaller than the sum of its proper divisors (28359523380).

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

13130321100 is a wasteful number, since it uses less digits than its factorization.

13130321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47520 (or 47513 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13130321100 its reverse (112303131), we get a palindrome (13242624231).

The spelling of 13130321100 in words is "thirteen billion, one hundred thirty million, three hundred twenty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 71 75 78 100 130 142 150 156 195 213 260 284 300 325 355 390 426 650 710 780 852 923 975 1065 1300 1420 1775 1846 1950 2130 2769 3550 3692 3900 4260 4615 5325 5538 7100 9230 10650 11076 13845 18460 21300 23075 27690 46150 47419 55380 69225 92300 94838 138450 142257 189676 237095 276900 284514 474190 569028 616447 711285 948380 1185475 1232894 1422570 1849341 2370950 2465788 2845140 3082235 3366749 3556425 3698682 4741900 6164470 6733498 7112850 7397364 9246705 10100247 12328940 13466996 14225700 15411175 16833745 18493410 20200494 30822350 33667490 36986820 40400988 43767737 46233525 50501235 61644700 67334980 84168725 87535474 92467050 101002470 131303211 168337450 175070948 184934100 202004940 218838685 252506175 262606422 336674900 437677370 505012350 525212844 656516055 875354740 1010024700 1094193425 1313032110 2188386850 2626064220 3282580275 4376773700 6565160550 13130321100