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13051150660 = 2253123478969
BaseRepresentation
bin11000010011110100…
…01100000101000100
31020200120001010222101
430021322030011010
5203212043310120
65555015241444
7641263643632
oct141172140504
936616033871
1013051150660
115598041729
122642979284
1312ccb70a72
148bb482352
15515ba790a
hex309e8c144

13051150660 has 48 divisors (see below), whose sum is σ = 28306736640. Its totient is φ = 5049342720.

The previous prime is 13051150649. The next prime is 13051150663. The reversal of 13051150660 is 6605115031.

It is not an unprimeable number, because it can be changed into a prime (13051150663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1450656 + ... + 1459624.

It is an arithmetic number, because the mean of its divisors is an integer number (589723680).

Almost surely, 213051150660 is an apocalyptic number.

13051150660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13051150660 is an abundant number, since it is smaller than the sum of its proper divisors (15255585980).

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

13051150660 is a wasteful number, since it uses less digits than its factorization.

13051150660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 13051150660 its reverse (6605115031), we get a palindrome (19656265691).

The spelling of 13051150660 in words is "thirteen billion, fifty-one million, one hundred fifty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 2347 4694 8969 9388 11735 17938 23470 35876 44845 46940 72757 89690 145514 179380 278039 291028 363785 556078 727570 1112156 1390195 1455140 2780390 5560780 21050243 42100486 84200972 105251215 210502430 421004860 652557533 1305115066 2610230132 3262787665 6525575330 13051150660