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13332313220 = 2253121503731
BaseRepresentation
bin11000110101010101…
…01111010010000100
31021102011002200111112
430122222233102010
5204301033010340
610042541424152
7651246535562
oct143252572204
937364080445
1013332313220
11572181a286
122700b6b058
1313461a4645
14906950a32
155306e5065
hex31aaaf484

13332313220 has 24 divisors (see below), whose sum is σ = 28901015808. Its totient is φ = 5160895200.

The previous prime is 13332313213. The next prime is 13332313303. The reversal of 13332313220 is 2231323331.

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, 10751246 + ... + 10752485.

It is an arithmetic number, because the mean of its divisors is an integer number (1204208992).

Almost surely, 213332313220 is an apocalyptic number.

13332313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13332313220 is an abundant number, since it is smaller than the sum of its proper divisors (15568702588).

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

13332313220 is a wasteful number, since it uses less digits than its factorization.

13332313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503771 (or 21503769 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13332313220 its reverse (2231323331), we get a palindrome (15563636551).

It can be divided in two parts, 13 and 332313220, that added together give a palindrome (332313233).

The spelling of 13332313220 in words is "thirteen billion, three hundred thirty-two million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 21503731 43007462 86014924 107518655 215037310 430074620 666615661 1333231322 2666462644 3333078305 6666156610 13332313220