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2528135875 = 53172471489
BaseRepresentation
bin1001011010110000…
…0100101011000011
320112012010121110001
42112230010223003
520134200322000
61054510420431
7116435541346
oct22654045303
96465117401
102528135875
1110880809a1
125a6801717
13313a00ab5
1419da9645d
15ebe3746a
hex96b04ac3

2528135875 has 48 divisors (see below), whose sum is σ = 3425235840. Its totient is φ = 1861785600.

The previous prime is 2528135867. The next prime is 2528135903. The reversal of 2528135875 is 5785318252.

It is not a de Polignac number, because 2528135875 - 23 = 2528135867 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1697131 + ... + 1698619.

It is an arithmetic number, because the mean of its divisors is an integer number (71359080).

Almost surely, 22528135875 is an apocalyptic number.

2528135875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2528135875 is a deficient number, since it is larger than the sum of its proper divisors (897099965).

2528135875 is a wasteful number, since it uses less digits than its factorization.

2528135875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1558 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 2528135875 is about 50280.5715460753. The cubic root of 2528135875 is about 1362.2813273056.

The spelling of 2528135875 in words is "two billion, five hundred twenty-eight million, one hundred thirty-five thousand, eight hundred seventy-five".

Divisors: 1 5 17 25 47 85 125 235 289 425 799 1175 1445 1489 2125 3995 5875 7225 7445 13583 19975 25313 36125 37225 67915 69983 99875 126565 186125 339575 349915 430321 632825 1189711 1697875 1749575 2151605 3164125 5948555 8747875 10758025 20225087 29742775 53790125 101125435 148713875 505627175 2528135875