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15530103340 = 2251940868693
BaseRepresentation
bin11100111011010101…
…01001001000101100
31111002022121222202121
432131222221020230
5223301201301330
611045012002324
71056564462133
oct163552511054
944068558677
1015530103340
11664a37a554
1230150003a4
13160661117b
14a747b491a
1560d62717a
hex39daa922c

15530103340 has 24 divisors (see below), whose sum is σ = 34329702960. Its totient is φ = 5885091648.

The previous prime is 15530103311. The next prime is 15530103343. The reversal of 15530103340 is 4330103551.

15530103340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15530103343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20433967 + ... + 20434726.

It is an arithmetic number, because the mean of its divisors is an integer number (1430404290).

Almost surely, 215530103340 is an apocalyptic number.

15530103340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15530103340 is an abundant number, since it is smaller than the sum of its proper divisors (18799599620).

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

15530103340 is a wasteful number, since it uses less digits than its factorization.

15530103340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868721 (or 40868719 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 15530103340 its reverse (4330103551), we get a palindrome (19860206891).

The spelling of 15530103340 in words is "fifteen billion, five hundred thirty million, one hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 40868693 81737386 163474772 204343465 408686930 776505167 817373860 1553010334 3106020668 3882525835 7765051670 15530103340