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2556260875 = 53719315137
BaseRepresentation
bin1001100001011101…
…0111001000001011
320121011001111200201
42120113113020023
520213400322000
61101353313031
7120226600420
oct23027271013
96534044621
102556260875
1110a1a406a3
125b4105777
1331979a4cc
141a36d7d47
15ee64096a
hex985d720b

2556260875 has 32 divisors (see below), whose sum is σ = 3665091456. Its totient is φ = 1743667200.

The previous prime is 2556260869. The next prime is 2556260881. The reversal of 2556260875 is 5780626552.

It is an interprime number because it is at equal distance from previous prime (2556260869) and next prime (2556260881).

It is not a de Polignac number, because 2556260875 - 29 = 2556260363 is a prime.

It is a super-2 number, since 2×25562608752 = 13068939322111531250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161307 + ... + 176443.

It is an arithmetic number, because the mean of its divisors is an integer number (114534108).

Almost surely, 22556260875 is an apocalyptic number.

2556260875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2556260875 is a deficient number, since it is larger than the sum of its proper divisors (1108830581).

2556260875 is a wasteful number, since it uses less digits than its factorization.

2556260875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15352 (or 15342 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 2556260875 is about 50559.4785871057. The cubic root of 2556260875 is about 1367.3144105428.

The spelling of 2556260875 in words is "two billion, five hundred fifty-six million, two hundred sixty thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 35 125 175 193 875 965 1351 4825 6755 15137 24125 33775 75685 105959 168875 378425 529795 1892125 2648975 2921441 13244875 14607205 20450087 73036025 102250435 365180125 511252175 2556260875