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15128320960 = 265298631889
BaseRepresentation
bin11100001011011011…
…11101101111000000
31110001022121022221201
432011231331233000
5221440322232320
610541100230544
71043615415004
oct160555755700
943038538851
1015128320960
1164635a74a5
122b2253b454
1315712c750c
14a372a8704
155d821070a
hex385b7dbc0

15128320960 has 112 divisors (see below), whose sum is σ = 37329465600. Its totient is φ = 5832802304.

The previous prime is 15128320951. The next prime is 15128320969. The reversal of 15128320960 is 6902382151.

It is an interprime number because it is at equal distance from previous prime (15128320951) and next prime (15128320969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15128320969) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8007696 + ... + 8009584.

It is an arithmetic number, because the mean of its divisors is an integer number (333298800).

Almost surely, 215128320960 is an apocalyptic number.

15128320960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15128320960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18664732800).

15128320960 is an abundant number, since it is smaller than the sum of its proper divisors (22201144640).

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

15128320960 is a wasteful number, since it uses less digits than its factorization.

15128320960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 15128320960 in words is "fifteen billion, one hundred twenty-eight million, three hundred twenty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 145 160 232 290 320 464 580 863 928 1160 1726 1856 1889 2320 3452 3778 4315 4640 6904 7556 8630 9280 9445 13808 15112 17260 18890 25027 27616 30224 34520 37780 50054 54781 55232 60448 69040 75560 100108 109562 120896 125135 138080 151120 200216 219124 250270 273905 276160 302240 400432 438248 500540 547810 604480 800864 876496 1001080 1095620 1601728 1630207 1752992 2002160 2191240 3260414 3505984 4004320 4382480 6520828 8008640 8151035 8764960 13041656 16302070 17529920 26083312 32604140 47276003 52166624 65208280 94552006 104333248 130416560 189104012 236380015 260833120 378208024 472760030 521666240 756416048 945520060 1512832096 1891040120 3025664192 3782080240 7564160480 15128320960