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15328072870 = 2511472964811
BaseRepresentation
bin11100100011001111…
…11101010010100110
31110120020110210001121
432101213331102212
5222342441312440
611012553444154
71051562320045
oct162147752246
943506423047
1015328072870
116556330020
122b7941065a
1315a37c5906
14a55a2455c
155eaa1b34a
hex3919fd4a6

15328072870 has 32 divisors (see below), whose sum is σ = 30739170816. Its totient is φ = 5455250400.

The previous prime is 15328072867. The next prime is 15328072871. The reversal of 15328072870 is 7827082351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15328072871) 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, 1477236 + ... + 1487575.

It is an arithmetic number, because the mean of its divisors is an integer number (960599088).

Almost surely, 215328072870 is an apocalyptic number.

15328072870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15328072870 is an abundant number, since it is smaller than the sum of its proper divisors (15411097946).

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

15328072870 is a wasteful number, since it uses less digits than its factorization.

15328072870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964876.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 15328072870 in words is "fifteen billion, three hundred twenty-eight million, seventy-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 1034 2585 5170 2964811 5929622 14824055 29648110 32612921 65225842 139346117 163064605 278692234 326129210 696730585 1393461170 1532807287 3065614574 7664036435 15328072870