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13202113220 = 2253197219523
BaseRepresentation
bin11000100101110100…
…00100001011000100
31021002002002211200022
430102322010023010
5204014220110340
610022011034312
7645106053002
oct142272041304
937062084608
1013202113220
11566528107a
12268543b998
131325218b1a
148d353ba72
155240773b5
hex312e842c4

13202113220 has 48 divisors (see below), whose sum is σ = 28913945088. Its totient is φ = 5057786880.

The previous prime is 13202113151. The next prime is 13202113259. The reversal of 13202113220 is 2231120231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49622 + ... + 169901.

It is an arithmetic number, because the mean of its divisors is an integer number (602373856).

Almost surely, 213202113220 is an apocalyptic number.

13202113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202113220 is an abundant number, since it is smaller than the sum of its proper divisors (15711831868).

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

13202113220 is a wasteful number, since it uses less digits than its factorization.

13202113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219660 (or 219658 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13202113220 its reverse (2231120231), we get a palindrome (15433233451).

The spelling of 13202113220 in words is "thirteen billion, two hundred two million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 97 124 155 194 310 388 485 620 970 1940 3007 6014 12028 15035 30070 60140 219523 439046 878092 1097615 2195230 4390460 6805213 13610426 21293731 27220852 34026065 42587462 68052130 85174924 106468655 136104260 212937310 425874620 660105661 1320211322 2640422644 3300528305 6601056610 13202113220