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13320434460 = 2235251884491
BaseRepresentation
bin11000110011111010…
…11011001100011100
31021101022202011220110
430121331123030130
5204240012400320
610041435050020
7651043552614
oct143175331434
937338664813
1013320434460
115716046623
1226b8ba0910
1313438a58a8
1490513ba44
1552e64a5e0
hex319f5b31c

13320434460 has 48 divisors (see below), whose sum is σ = 37445853312. Its totient is φ = 3537960000.

The previous prime is 13320434411. The next prime is 13320434537. The reversal of 13320434460 is 6443402331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427186 + ... + 457305.

It is an arithmetic number, because the mean of its divisors is an integer number (780121944).

Almost surely, 213320434460 is an apocalyptic number.

13320434460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320434460 is an abundant number, since it is smaller than the sum of its proper divisors (24125418852).

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

13320434460 is a wasteful number, since it uses less digits than its factorization.

13320434460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884754 (or 884752 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13320434460 its reverse (6443402331), we get a palindrome (19763836791).

The spelling of 13320434460 in words is "thirteen billion, three hundred twenty million, four hundred thirty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 251 502 753 1004 1255 1506 2510 3012 3765 5020 7530 15060 884491 1768982 2653473 3537964 4422455 5306946 8844910 10613892 13267365 17689820 26534730 53069460 222007241 444014482 666021723 888028964 1110036205 1332043446 2220072410 2664086892 3330108615 4440144820 6660217230 13320434460