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13130403320 = 2351375694211
BaseRepresentation
bin11000011101010001…
…00000110111111000
31020220002011121012002
430032220200313320
5203342340401240
610010530040132
7643245405146
oct141650406770
936802147162
1013130403320
1156288523a1
122665419048
1313133cbc28
148c7bd2596
1551cb0ed15
hex30ea20df8

13130403320 has 64 divisors (see below), whose sum is σ = 29818432800. Its totient is φ = 5203425280.

The previous prime is 13130403311. The next prime is 13130403343. The reversal of 13130403320 is 2330403131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13130403292 and 13130403301.

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, 3116015 + ... + 3120225.

Almost surely, 213130403320 is an apocalyptic number.

13130403320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130403320 is an abundant number, since it is smaller than the sum of its proper divisors (16688029480).

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

13130403320 is a wasteful number, since it uses less digits than its factorization.

13130403320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13130403320 its reverse (2330403131), we get a palindrome (15460806451).

The spelling of 13130403320 in words is "thirteen billion, one hundred thirty million, four hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 137 274 548 569 685 1096 1138 1370 2276 2740 2845 4211 4552 5480 5690 8422 11380 16844 21055 22760 33688 42110 77953 84220 155906 168440 311812 389765 576907 623624 779530 1153814 1559060 2307628 2396059 2884535 3118120 4615256 4792118 5769070 9584236 11538140 11980295 19168472 23076280 23960590 47921180 95842360 328260083 656520166 1313040332 1641300415 2626080664 3282600830 6565201660 13130403320