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13132232232 = 233778168049
BaseRepresentation
bin11000011101011110…
…11111011000101000
31020220012121111222120
430032233133120220
5203343322412412
610011033151240
7643300063230
oct141657373050
936805544876
1013132232232
115629891499
122665b5b520
1313138bc522
148c814acc0
1551cd71b8c
hex30ebdf628

13132232232 has 32 divisors (see below), whose sum is σ = 37520664000. Its totient is φ = 3752066304.

The previous prime is 13132232209. The next prime is 13132232287. The reversal of 13132232232 is 23223223131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 39083857 + ... + 39084192.

It is an arithmetic number, because the mean of its divisors is an integer number (1172520750).

Almost surely, 213132232232 is an apocalyptic number.

13132232232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13132232232 is an abundant number, since it is smaller than the sum of its proper divisors (24388431768).

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

13132232232 is a wasteful number, since it uses less digits than its factorization.

13132232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78168065 (or 78168061 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 13132232232 its reverse (23223223131), we get a palindrome (36355455363).

The spelling of 13132232232 in words is "thirteen billion, one hundred thirty-two million, two hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 78168049 156336098 234504147 312672196 469008294 547176343 625344392 938016588 1094352686 1641529029 1876033176 2188705372 3283058058 4377410744 6566116116 13132232232