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15530113120 = 255173561059
BaseRepresentation
bin11100111011010101…
…01011100001100000
31111002022122111011211
432131222223201200
5223301202104440
611045012115504
71056564532504
oct163552534140
944068574154
1015530113120
11664a386935
123015005b94
131606615762
14a747b8304
1560d629eea
hex39daab860

15530113120 has 48 divisors (see below), whose sum is σ = 36902038320. Its totient is φ = 6176126464.

The previous prime is 15530113099. The next prime is 15530113171. The reversal of 15530113120 is 2131103551.

15530113120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155301131202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15530113091 and 15530113100.

It is a congruent number.

It is an unprimeable number.

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, 252850 + ... + 308209.

It is an arithmetic number, because the mean of its divisors is an integer number (768792465).

Almost surely, 215530113120 is an apocalyptic number.

15530113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15530113120 is an abundant number, since it is smaller than the sum of its proper divisors (21371925200).

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

15530113120 is a wasteful number, since it uses less digits than its factorization.

15530113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561247 (or 561239 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 15530113120 its reverse (2131103551), we get a palindrome (17661216671).

The spelling of 15530113120 in words is "fifteen billion, five hundred thirty million, one hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 173 346 692 865 1384 1730 2768 3460 5536 6920 13840 27680 561059 1122118 2244236 2805295 4488472 5610590 8976944 11221180 17953888 22442360 44884720 89769440 97063207 194126414 388252828 485316035 776505656 970632070 1553011312 1941264140 3106022624 3882528280 7765056560 15530113120