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15324371420 = 2252797273943
BaseRepresentation
bin11100100010110011…
…10101100111011100
31110112222111201121212
432101121311213130
5222341014341140
611012342243552
71051516002461
oct162131654734
943488451555
1015324371420
116554232076
122b781265b8
1315a2acabc7
14a5533d668
155ea539765
hex3916759dc

15324371420 has 24 divisors (see below), whose sum is σ = 32192803104. Its totient is φ = 6127534656.

The previous prime is 15324371417. The next prime is 15324371441. The reversal of 15324371420 is 2417342351.

It is a super-2 number, since 2×153243714202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81032 + ... + 192911.

It is an arithmetic number, because the mean of its divisors is an integer number (1341366796).

Almost surely, 215324371420 is an apocalyptic number.

15324371420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15324371420 is an abundant number, since it is smaller than the sum of its proper divisors (16868431684).

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

15324371420 is a wasteful number, since it uses less digits than its factorization.

15324371420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276749 (or 276747 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 15324371420 in words is "fifteen billion, three hundred twenty-four million, three hundred seventy-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2797 5594 11188 13985 27970 55940 273943 547886 1095772 1369715 2739430 5478860 766218571 1532437142 3064874284 3831092855 7662185710 15324371420