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13233103220 = 225811815851
BaseRepresentation
bin11000101001100000…
…10010000101110100
31021011020102021222002
430110300102011310
5204100133300340
610025035154432
7645633343601
oct142460220564
937136367862
1013233103220
115680818347
1226938a5a18
13132b7795bc
148d76c76a8
15526b49715
hex314c12174

13233103220 has 24 divisors (see below), whose sum is σ = 27823816608. Its totient is φ = 5286708000.

The previous prime is 13233103183. The next prime is 13233103231. The reversal of 13233103220 is 2230133231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13233103192 and 13233103201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391706 + ... + 424145.

It is an arithmetic number, because the mean of its divisors is an integer number (1159325692).

Almost surely, 213233103220 is an apocalyptic number.

13233103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13233103220 is an abundant number, since it is smaller than the sum of its proper divisors (14590713388).

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

13233103220 is a wasteful number, since it uses less digits than its factorization.

13233103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816671 (or 816669 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13233103220 its reverse (2230133231), we get a palindrome (15463236451).

The spelling of 13233103220 in words is "thirteen billion, two hundred thirty-three million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 811 1622 3244 4055 8110 16220 815851 1631702 3263404 4079255 8158510 16317020 661655161 1323310322 2646620644 3308275805 6616551610 13233103220