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19313028125 = 55231671609
BaseRepresentation
bin10001111111001001…
…010110110000011101
31211211221212110222222
4101333021112300131
5304023113400000
612512225115125
71252411013306
oct217711266035
954757773888
1019313028125
118210778976
1238aba88aa5
131a8a27a4c1
14d12d7d7ad
157807bda85
hex47f256c1d

19313028125 has 48 divisors (see below), whose sum is σ = 25355877120. Its totient is φ = 14681040000.

The previous prime is 19313028103. The next prime is 19313028149. The reversal of 19313028125 is 52182031391.

It is not a de Polignac number, because 19313028125 - 232 = 15018060829 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 12002321 + ... + 12003929.

It is an arithmetic number, because the mean of its divisors is an integer number (528247440).

Almost surely, 219313028125 is an apocalyptic number.

It is an amenable number.

19313028125 is a deficient number, since it is larger than the sum of its proper divisors (6042848995).

19313028125 is an equidigital number, since it uses as much as digits as its factorization.

19313028125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 19313028125 in words is "nineteen billion, three hundred thirteen million, twenty-eight thousand, one hundred twenty-five".

Divisors: 1 5 23 25 115 125 167 575 625 835 1609 2875 3125 3841 4175 8045 14375 19205 20875 37007 40225 71875 96025 104375 185035 201125 268703 480125 521875 925175 1005625 1343515 2400625 4625875 5028125 6180169 6717575 12003125 23129375 30900845 33587875 115646875 154504225 167939375 772521125 839696875 3862605625 19313028125