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13210033120 = 255611353487
BaseRepresentation
bin11000100110110000…
…10001101111100000
31021002122000012201221
430103120101233200
5204023232024440
610022452504424
7645233300044
oct142330215740
937078005657
1013210033120
1156697a0449
12268801b114
131326a5c95b
148d4600024
15524addd4a
hex313611be0

13210033120 has 48 divisors (see below), whose sum is σ = 31720344768. Its totient is φ = 5197386240.

The previous prime is 13210033097. The next prime is 13210033127. The reversal of 13210033120 is 2133001231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13210033094 and 13210033103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210033127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666984 + ... + 686503.

It is an arithmetic number, because the mean of its divisors is an integer number (660840516).

Almost surely, 213210033120 is an apocalyptic number.

13210033120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13210033120 is an abundant number, since it is smaller than the sum of its proper divisors (18510311648).

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

13210033120 is a wasteful number, since it uses less digits than its factorization.

13210033120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353563 (or 1353555 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13210033120 its reverse (2133001231), we get a palindrome (15343034351).

The spelling of 13210033120 in words is "thirteen billion, two hundred ten million, thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 61 80 122 160 244 305 488 610 976 1220 1952 2440 4880 9760 1353487 2706974 5413948 6767435 10827896 13534870 21655792 27069740 43311584 54139480 82562707 108278960 165125414 216557920 330250828 412813535 660501656 825627070 1321003312 1651254140 2642006624 3302508280 6605016560 13210033120