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13230042208 = 2529122311657
BaseRepresentation
bin11000101001001001…
…00110110001100000
31021011000122210001021
430110210212301200
5204043342322313
610024445415224
7645565334425
oct142444466140
937130583037
1013230042208
11567a017589
12269286a514
13132ac47256
148d712bd4c
1552674278d
hex314926c60

13230042208 has 48 divisors (see below), whose sum is σ = 26969150880. Its totient is φ = 6381147136.

The previous prime is 13230042193. The next prime is 13230042211. The reversal of 13230042208 is 80224003231.

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, 1129116 + ... + 1140772.

It is an arithmetic number, because the mean of its divisors is an integer number (561857310).

Almost surely, 213230042208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13230042208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484575440).

13230042208 is an abundant number, since it is smaller than the sum of its proper divisors (13739108672).

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

13230042208 is a wasteful number, since it uses less digits than its factorization.

13230042208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919 (or 12911 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13230042208 its reverse (80224003231), we get a palindrome (93454045439).

The spelling of 13230042208 in words is "thirteen billion, two hundred thirty million, forty-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 1223 2446 4892 9784 11657 19568 23314 35467 39136 46628 70934 93256 141868 186512 283736 338053 373024 567472 676106 1134944 1352212 2704424 5408848 10817696 14256511 28513022 57026044 114052088 228104176 413438819 456208352 826877638 1653755276 3307510552 6615021104 13230042208