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13320021210 = 235444000707
BaseRepresentation
bin11000110011110111…
…10110010011011010
31021101021222012000220
430121323312103122
5204234411134320
610041422140510
7651040212036
oct143173662332
937337865026
1013320021210
1157158940a1
1226b8a21736
13134378c772
149050711c6
1552e5b7e40
hex319ef64da

13320021210 has 16 divisors (see below), whose sum is σ = 31968050976. Its totient is φ = 3552005648.

The previous prime is 13320021199. The next prime is 13320021227. The reversal of 13320021210 is 1212002331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13320021210.

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, 222000324 + ... + 222000383.

It is an arithmetic number, because the mean of its divisors is an integer number (1998003186).

Almost surely, 213320021210 is an apocalyptic number.

13320021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13320021210 is an abundant number, since it is smaller than the sum of its proper divisors (18648029766).

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

13320021210 is a wasteful number, since it uses less digits than its factorization.

13320021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444000717.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13320021210 its reverse (1212002331), we get a palindrome (14532023541).

The spelling of 13320021210 in words is "thirteen billion, three hundred twenty million, twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 444000707 888001414 1332002121 2220003535 2664004242 4440007070 6660010605 13320021210