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2750661475 = 52863127493
BaseRepresentation
bin1010001111110011…
…1100001101100011
321002200212002011221
42203330330031203
521113132131400
61132540115511
7125110144132
oct24374741543
97080762157
102750661475
111191749751
12649235b97
1334ab43c53
141c145d919
15111740c1a
hexa3f3c363

2750661475 has 12 divisors (see below), whose sum is σ = 3414799296. Its totient is φ = 2197962080.

The previous prime is 2750661467. The next prime is 2750661499. The reversal of 2750661475 is 5741660572.

It is not a de Polignac number, because 2750661475 - 23 = 2750661467 is a prime.

It is a super-2 number, since 2×27506614752 = 15132277100098351250, 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 11 ways as a sum of consecutive naturals, for example, 42172 + ... + 85321.

It is an arithmetic number, because the mean of its divisors is an integer number (284566608).

Almost surely, 22750661475 is an apocalyptic number.

2750661475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2750661475 is a deficient number, since it is larger than the sum of its proper divisors (664137821).

2750661475 is a wasteful number, since it uses less digits than its factorization.

2750661475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128366 (or 128361 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 2750661475 is about 52446.7489459547. The cubic root of 2750661475 is about 1401.1319883808.

It can be divided in two parts, 2750 and 661475, that added together give a square (664225 = 8152).

The spelling of 2750661475 in words is "two billion, seven hundred fifty million, six hundred sixty-one thousand, four hundred seventy-five".

Divisors: 1 5 25 863 4315 21575 127493 637465 3187325 110026459 550132295 2750661475