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13313232120 = 2335110943601
BaseRepresentation
bin11000110011000011…
…11100110011111000
31021100211012021011010
430121201330303320
5204231141411440
610041020433520
7650625414546
oct143141746370
937324167133
1013313232120
115711a77381
1226b66a88a0
131342253556
149041c4d96
1552dbc6580
hex31987ccf8

13313232120 has 32 divisors (see below), whose sum is σ = 39939696720. Its totient is φ = 3550195200.

The previous prime is 13313232077. The next prime is 13313232133. The reversal of 13313232120 is 2123231331.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55471681 + ... + 55471920.

Almost surely, 213313232120 is an apocalyptic number.

13313232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13313232120 is an abundant number, since it is smaller than the sum of its proper divisors (26626464600).

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

13313232120 is a wasteful number, since it uses less digits than its factorization.

13313232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110943615 (or 110943611 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13313232120 its reverse (2123231331), we get a palindrome (15436463451).

The spelling of 13313232120 in words is "thirteen billion, three hundred thirteen million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 110943601 221887202 332830803 443774404 554718005 665661606 887548808 1109436010 1331323212 1664154015 2218872020 2662646424 3328308030 4437744040 6656616060 13313232120