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2255072005 = 54397108131
BaseRepresentation
bin1000011001101001…
…1010101100000101
312211011022112020101
42012122122230011
514104244301010
61011434004101
7106611536644
oct20632325405
95734275211
102255072005
11a57a24a7a
1252b276631
1329c274544
141756d535b
15d2e9973a
hex8669ab05

2255072005 has 16 divisors (see below), whose sum is σ = 2797591104. Its totient is φ = 1743920640.

The previous prime is 2255071993. The next prime is 2255072047. The reversal of 2255072005 is 5002705522.

It is not a de Polignac number, because 2255072005 - 213 = 2255063813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33211 + ... + 74920.

It is an arithmetic number, because the mean of its divisors is an integer number (174849444).

Almost surely, 22255072005 is an apocalyptic number.

It is an amenable number.

2255072005 is a deficient number, since it is larger than the sum of its proper divisors (542519099).

2255072005 is a wasteful number, since it uses less digits than its factorization.

2255072005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108276.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2255072005 is about 47487.5984336963. The cubic root of 2255072005 is about 1311.3545813946.

Adding to 2255072005 its reverse (5002705522), we get a palindrome (7257777527).

The spelling of 2255072005 in words is "two billion, two hundred fifty-five million, seventy-two thousand, five".

Divisors: 1 5 43 97 215 485 4171 20855 108131 540655 4649633 10488707 23248165 52443535 451014401 2255072005